Home / 9,130.08-13,691.52-3,205.20

Finding the Fourth Proportional to 9,130.08, 13,691.52 and 3,205.20

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Solution

The fourth proportional to 9,130.08, 13,691.52 and 3,205.20 is: 4,806.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,130.08 : 13,691.52 = 3,205.20 : x
  2. Step 2: Convert to fraction form
    9,130.08/13,691.52 = 3,205.20/x
  3. Step 3: Cross multiply
    9,130.08x = 13,691.52 × 3,205.20
  4. Step 4: Simplify right side
    9,130.08x = 43,884,059.90
  5. Step 5: Solve for x
    x = 43,884,059.90/9,130.08
  6. Step 6: Final answer
    x = 4,806.54

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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.