Home / 5,051.40-7,576.96-2,985.72

Finding the Fourth Proportional to 5,051.40, 7,576.96 and 2,985.72

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Solution

The fourth proportional to 5,051.40, 7,576.96 and 2,985.72 is: 4,478.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,051.40 : 7,576.96 = 2,985.72 : x
  2. Step 2: Convert to fraction form
    5,051.40/7,576.96 = 2,985.72/x
  3. Step 3: Cross multiply
    5,051.40x = 7,576.96 × 2,985.72
  4. Step 4: Simplify right side
    5,051.40x = 22,622,681.01
  5. Step 5: Solve for x
    x = 22,622,681.01/5,051.40
  6. Step 6: Final answer
    x = 4,478.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.