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Finding the Fourth Proportional to 7,265.98, 10,898.79 and 4,888.63

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Solution

The fourth proportional to 7,265.98, 10,898.79 and 4,888.63 is: 7,332.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,265.98 : 10,898.79 = 4,888.63 : x
  2. Step 2: Convert to fraction form
    7,265.98/10,898.79 = 4,888.63/x
  3. Step 3: Cross multiply
    7,265.98x = 10,898.79 × 4,888.63
  4. Step 4: Simplify right side
    7,265.98x = 53,280,151.76
  5. Step 5: Solve for x
    x = 53,280,151.76/7,265.98
  6. Step 6: Final answer
    x = 7,332.82

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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.