Home / 7,431.29-10,254.95-4,073.90

Finding the Fourth Proportional to 7,431.29, 10,254.95 and 4,073.90

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Solution

The fourth proportional to 7,431.29, 10,254.95 and 4,073.90 is: 5,621.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,431.29 : 10,254.95 = 4,073.90 : x
  2. Step 2: Convert to fraction form
    7,431.29/10,254.95 = 4,073.90/x
  3. Step 3: Cross multiply
    7,431.29x = 10,254.95 × 4,073.90
  4. Step 4: Simplify right side
    7,431.29x = 41,777,607.35
  5. Step 5: Solve for x
    x = 41,777,607.35/7,431.29
  6. Step 6: Final answer
    x = 5,621.85

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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.