Home / 4,785.61-7,178.42-1,498.72

Finding the Fourth Proportional to 4,785.61, 7,178.42 and 1,498.72

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Solution

The fourth proportional to 4,785.61, 7,178.42 and 1,498.72 is: 2,248.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,785.61 : 7,178.42 = 1,498.72 : x
  2. Step 2: Convert to fraction form
    4,785.61/7,178.42 = 1,498.72/x
  3. Step 3: Cross multiply
    4,785.61x = 7,178.42 × 1,498.72
  4. Step 4: Simplify right side
    4,785.61x = 10,758,441.62
  5. Step 5: Solve for x
    x = 10,758,441.62/4,785.61
  6. Step 6: Final answer
    x = 2,248.08

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Half scale
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Double scale
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Similar ratio
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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.