Home / 9,064.44-12,490.20-7,288.92

Finding the Fourth Proportional to 9,064.44, 12,490.20 and 7,288.92

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Solution

The fourth proportional to 9,064.44, 12,490.20 and 7,288.92 is: 10,043.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,064.44 : 12,490.20 = 7,288.92 : x
  2. Step 2: Convert to fraction form
    9,064.44/12,490.20 = 7,288.92/x
  3. Step 3: Cross multiply
    9,064.44x = 12,490.20 × 7,288.92
  4. Step 4: Simplify right side
    9,064.44x = 91,040,068.58
  5. Step 5: Solve for x
    x = 91,040,068.58/9,064.44
  6. Step 6: Final answer
    x = 10,043.65

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Double scale
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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.