Home / 9,780.30-14,670.45-4,850.70

Finding the Fourth Proportional to 9,780.30, 14,670.45 and 4,850.70

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Solution

The fourth proportional to 9,780.30, 14,670.45 and 4,850.70 is: 7,276.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,780.30 : 14,670.45 = 4,850.70 : x
  2. Step 2: Convert to fraction form
    9,780.30/14,670.45 = 4,850.70/x
  3. Step 3: Cross multiply
    9,780.30x = 14,670.45 × 4,850.70
  4. Step 4: Simplify right side
    9,780.30x = 71,161,951.82
  5. Step 5: Solve for x
    x = 71,161,951.82/9,780.30
  6. Step 6: Final answer
    x = 7,276.05

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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.