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Finding the Fourth Proportional to 8,966.73, 12,374.08 and 4,987.76

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Solution

The fourth proportional to 8,966.73, 12,374.08 and 4,987.76 is: 6,883.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,966.73 : 12,374.08 = 4,987.76 : x
  2. Step 2: Convert to fraction form
    8,966.73/12,374.08 = 4,987.76/x
  3. Step 3: Cross multiply
    8,966.73x = 12,374.08 × 4,987.76
  4. Step 4: Simplify right side
    8,966.73x = 61,718,964.58
  5. Step 5: Solve for x
    x = 61,718,964.58/8,966.73
  6. Step 6: Final answer
    x = 6,883.10

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.