Home / 5,576.76-7,697.01-3,688.44

Finding the Fourth Proportional to 5,576.76, 7,697.01 and 3,688.44

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Solution

The fourth proportional to 5,576.76, 7,697.01 and 3,688.44 is: 5,090.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,576.76 : 7,697.01 = 3,688.44 : x
  2. Step 2: Convert to fraction form
    5,576.76/7,697.01 = 3,688.44/x
  3. Step 3: Cross multiply
    5,576.76x = 7,697.01 × 3,688.44
  4. Step 4: Simplify right side
    5,576.76x = 28,389,959.56
  5. Step 5: Solve for x
    x = 28,389,959.56/5,576.76
  6. Step 6: Final answer
    x = 5,090.76

Related Problems

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Half scale
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Double scale
Find fourth proportional to 5,577.76, 7,698.39 and 3,689.44
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.