Home / 9,257.81-12,772.59-5,276.04

Finding the Fourth Proportional to 9,257.81, 12,772.59 and 5,276.04

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Solution

The fourth proportional to 9,257.81, 12,772.59 and 5,276.04 is: 7,279.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,257.81 : 12,772.59 = 5,276.04 : x
  2. Step 2: Convert to fraction form
    9,257.81/12,772.59 = 5,276.04/x
  3. Step 3: Cross multiply
    9,257.81x = 12,772.59 × 5,276.04
  4. Step 4: Simplify right side
    9,257.81x = 67,388,695.74
  5. Step 5: Solve for x
    x = 67,388,695.74/9,257.81
  6. Step 6: Final answer
    x = 7,279.12

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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.