Home / 8,372.19-11,553.50-4,787.11

Finding the Fourth Proportional to 8,372.19, 11,553.50 and 4,787.11

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Solution

The fourth proportional to 8,372.19, 11,553.50 and 4,787.11 is: 6,606.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,372.19 : 11,553.50 = 4,787.11 : x
  2. Step 2: Convert to fraction form
    8,372.19/11,553.50 = 4,787.11/x
  3. Step 3: Cross multiply
    8,372.19x = 11,553.50 × 4,787.11
  4. Step 4: Simplify right side
    8,372.19x = 55,307,875.39
  5. Step 5: Solve for x
    x = 55,307,875.39/8,372.19
  6. Step 6: Final answer
    x = 6,606.14

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1.5x scale

Why These Related Problems?

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