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Finding the Fourth Proportional to 7,248.70, 10,870.01 and 2,317.02

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Solution

The fourth proportional to 7,248.70, 10,870.01 and 2,317.02 is: 3,474.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,248.70 : 10,870.01 = 2,317.02 : x
  2. Step 2: Convert to fraction form
    7,248.70/10,870.01 = 2,317.02/x
  3. Step 3: Cross multiply
    7,248.70x = 10,870.01 × 2,317.02
  4. Step 4: Simplify right side
    7,248.70x = 25,186,030.57
  5. Step 5: Solve for x
    x = 25,186,030.57/7,248.70
  6. Step 6: Final answer
    x = 3,474.56

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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.