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Finding the Fourth Proportional to 4,788.65, 7,182.98 and 1,501.76

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Solution

The fourth proportional to 4,788.65, 7,182.98 and 1,501.76 is: 2,252.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,788.65 : 7,182.98 = 1,501.76 : x
  2. Step 2: Convert to fraction form
    4,788.65/7,182.98 = 1,501.76/x
  3. Step 3: Cross multiply
    4,788.65x = 7,182.98 × 1,501.76
  4. Step 4: Simplify right side
    4,788.65x = 10,787,068.62
  5. Step 5: Solve for x
    x = 10,787,068.62/4,788.65
  6. Step 6: Final answer
    x = 2,252.63

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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.