Home / 7,847.04-11,770.56-2,916.57

Finding the Fourth Proportional to 7,847.04, 11,770.56 and 2,916.57

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Solution

The fourth proportional to 7,847.04, 11,770.56 and 2,916.57 is: 4,374.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,847.04 : 11,770.56 = 2,916.57 : x
  2. Step 2: Convert to fraction form
    7,847.04/11,770.56 = 2,916.57/x
  3. Step 3: Cross multiply
    7,847.04x = 11,770.56 × 2,916.57
  4. Step 4: Simplify right side
    7,847.04x = 34,329,662.18
  5. Step 5: Solve for x
    x = 34,329,662.18/7,847.04
  6. Step 6: Final answer
    x = 4,374.86

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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.