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Finding the Fourth Proportional to 7,097.52, 10,643.08 and 2,167.76

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Solution

The fourth proportional to 7,097.52, 10,643.08 and 2,167.76 is: 3,250.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,097.52 : 10,643.08 = 2,167.76 : x
  2. Step 2: Convert to fraction form
    7,097.52/10,643.08 = 2,167.76/x
  3. Step 3: Cross multiply
    7,097.52x = 10,643.08 × 2,167.76
  4. Step 4: Simplify right side
    7,097.52x = 23,071,643.10
  5. Step 5: Solve for x
    x = 23,071,643.10/7,097.52
  6. Step 6: Final answer
    x = 3,250.66

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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.