Home / 4,770.72-6,578.64-3,090.24

Finding the Fourth Proportional to 4,770.72, 6,578.64 and 3,090.24

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Solution

The fourth proportional to 4,770.72, 6,578.64 and 3,090.24 is: 4,261.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,770.72 : 6,578.64 = 3,090.24 : x
  2. Step 2: Convert to fraction form
    4,770.72/6,578.64 = 3,090.24/x
  3. Step 3: Cross multiply
    4,770.72x = 6,578.64 × 3,090.24
  4. Step 4: Simplify right side
    4,770.72x = 20,329,576.47
  5. Step 5: Solve for x
    x = 20,329,576.47/4,770.72
  6. Step 6: Final answer
    x = 4,261.32

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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.