Home / 7,431.12-10,255.05-4,447.17

Finding the Fourth Proportional to 7,431.12, 10,255.05 and 4,447.17

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Solution

The fourth proportional to 7,431.12, 10,255.05 and 4,447.17 is: 6,137.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,431.12 : 10,255.05 = 4,447.17 : x
  2. Step 2: Convert to fraction form
    7,431.12/10,255.05 = 4,447.17/x
  3. Step 3: Cross multiply
    7,431.12x = 10,255.05 × 4,447.17
  4. Step 4: Simplify right side
    7,431.12x = 45,605,950.71
  5. Step 5: Solve for x
    x = 45,605,950.71/7,431.12
  6. Step 6: Final answer
    x = 6,137.16

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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.