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Finding the Fourth Proportional to 6,566.62, 9,065.28 and 5,071.18

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Solution

The fourth proportional to 6,566.62, 9,065.28 and 5,071.18 is: 7,000.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,566.62 : 9,065.28 = 5,071.18 : x
  2. Step 2: Convert to fraction form
    6,566.62/9,065.28 = 5,071.18/x
  3. Step 3: Cross multiply
    6,566.62x = 9,065.28 × 5,071.18
  4. Step 4: Simplify right side
    6,566.62x = 45,971,666.63
  5. Step 5: Solve for x
    x = 45,971,666.63/6,566.62
  6. Step 6: Final answer
    x = 7,000.81

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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.