Home / 9,108.64-13,671.52-4,729.20

Finding the Fourth Proportional to 9,108.64, 13,671.52 and 4,729.20

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Solution

The fourth proportional to 9,108.64, 13,671.52 and 4,729.20 is: 7,098.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,108.64 : 13,671.52 = 4,729.20 : x
  2. Step 2: Convert to fraction form
    9,108.64/13,671.52 = 4,729.20/x
  3. Step 3: Cross multiply
    9,108.64x = 13,671.52 × 4,729.20
  4. Step 4: Simplify right side
    9,108.64x = 64,655,352.38
  5. Step 5: Solve for x
    x = 64,655,352.38/9,108.64
  6. Step 6: Final answer
    x = 7,098.24

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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.