Home / 7,339.11-10,129.77-4,507.16

Finding the Fourth Proportional to 7,339.11, 10,129.77 and 4,507.16

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Solution

The fourth proportional to 7,339.11, 10,129.77 and 4,507.16 is: 6,220.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,339.11 : 10,129.77 = 4,507.16 : x
  2. Step 2: Convert to fraction form
    7,339.11/10,129.77 = 4,507.16/x
  3. Step 3: Cross multiply
    7,339.11x = 10,129.77 × 4,507.16
  4. Step 4: Simplify right side
    7,339.11x = 45,656,447.02
  5. Step 5: Solve for x
    x = 45,656,447.02/7,339.11
  6. Step 6: Final answer
    x = 6,220.98

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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.