Home / 8,730.52-12,046.80-5,373.88

Finding the Fourth Proportional to 8,730.52, 12,046.80 and 5,373.88

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Solution

The fourth proportional to 8,730.52, 12,046.80 and 5,373.88 is: 7,415.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,730.52 : 12,046.80 = 5,373.88 : x
  2. Step 2: Convert to fraction form
    8,730.52/12,046.80 = 5,373.88/x
  3. Step 3: Cross multiply
    8,730.52x = 12,046.80 × 5,373.88
  4. Step 4: Simplify right side
    8,730.52x = 64,738,057.58
  5. Step 5: Solve for x
    x = 64,738,057.58/8,730.52
  6. Step 6: Final answer
    x = 7,415.14

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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.