Home / 9,003.29-12,425.19-5,228.63

Finding the Fourth Proportional to 9,003.29, 12,425.19 and 5,228.63

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Solution

The fourth proportional to 9,003.29, 12,425.19 and 5,228.63 is: 7,215.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,003.29 : 12,425.19 = 5,228.63 : x
  2. Step 2: Convert to fraction form
    9,003.29/12,425.19 = 5,228.63/x
  3. Step 3: Cross multiply
    9,003.29x = 12,425.19 × 5,228.63
  4. Step 4: Simplify right side
    9,003.29x = 64,966,721.19
  5. Step 5: Solve for x
    x = 64,966,721.19/9,003.29
  6. Step 6: Final answer
    x = 7,215.89

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Half scale
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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.