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Finding the Fourth Proportional to 9,053.64, 13,580.35 and 2,479.82

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Solution

The fourth proportional to 9,053.64, 13,580.35 and 2,479.82 is: 3,719.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,053.64 : 13,580.35 = 2,479.82 : x
  2. Step 2: Convert to fraction form
    9,053.64/13,580.35 = 2,479.82/x
  3. Step 3: Cross multiply
    9,053.64x = 13,580.35 × 2,479.82
  4. Step 4: Simplify right side
    9,053.64x = 33,676,823.54
  5. Step 5: Solve for x
    x = 33,676,823.54/9,053.64
  6. Step 6: Final answer
    x = 3,719.70

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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.