Home / 8,505.46-12,758.91-2,265.47

Finding the Fourth Proportional to 8,505.46, 12,758.91 and 2,265.47

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Solution

The fourth proportional to 8,505.46, 12,758.91 and 2,265.47 is: 3,398.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,505.46 : 12,758.91 = 2,265.47 : x
  2. Step 2: Convert to fraction form
    8,505.46/12,758.91 = 2,265.47/x
  3. Step 3: Cross multiply
    8,505.46x = 12,758.91 × 2,265.47
  4. Step 4: Simplify right side
    8,505.46x = 28,904,927.84
  5. Step 5: Solve for x
    x = 28,904,927.84/8,505.46
  6. Step 6: Final answer
    x = 3,398.40

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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.