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Finding the Fourth Proportional to 7,248.69, 10,870.65 and 2,317.14

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Solution

The fourth proportional to 7,248.69, 10,870.65 and 2,317.14 is: 3,474.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,248.69 : 10,870.65 = 2,317.14 : x
  2. Step 2: Convert to fraction form
    7,248.69/10,870.65 = 2,317.14/x
  3. Step 3: Cross multiply
    7,248.69x = 10,870.65 × 2,317.14
  4. Step 4: Simplify right side
    7,248.69x = 25,188,817.94
  5. Step 5: Solve for x
    x = 25,188,817.94/7,248.69
  6. Step 6: Final answer
    x = 3,474.95

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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.