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Finding the Fourth Proportional to 6,221.93, 9,332.89 and 1,780.06

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Solution

The fourth proportional to 6,221.93, 9,332.89 and 1,780.06 is: 2,670.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,221.93 : 9,332.89 = 1,780.06 : x
  2. Step 2: Convert to fraction form
    6,221.93/9,332.89 = 1,780.06/x
  3. Step 3: Cross multiply
    6,221.93x = 9,332.89 × 1,780.06
  4. Step 4: Simplify right side
    6,221.93x = 16,613,071.64
  5. Step 5: Solve for x
    x = 16,613,071.64/6,221.93
  6. Step 6: Final answer
    x = 2,670.08

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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.