Home / 4,312.12-6,469.02-1,538.92

Finding the Fourth Proportional to 4,312.12, 6,469.02 and 1,538.92

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Solution

The fourth proportional to 4,312.12, 6,469.02 and 1,538.92 is: 2,308.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,312.12 : 6,469.02 = 1,538.92 : x
  2. Step 2: Convert to fraction form
    4,312.12/6,469.02 = 1,538.92/x
  3. Step 3: Cross multiply
    4,312.12x = 6,469.02 × 1,538.92
  4. Step 4: Simplify right side
    4,312.12x = 9,955,304.26
  5. Step 5: Solve for x
    x = 9,955,304.26/4,312.12
  6. Step 6: Final answer
    x = 2,308.68

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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.