Home / 8,869.34-13,312.38-4,489.94

Finding the Fourth Proportional to 8,869.34, 13,312.38 and 4,489.94

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Solution

The fourth proportional to 8,869.34, 13,312.38 and 4,489.94 is: 6,739.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,869.34 : 13,312.38 = 4,489.94 : x
  2. Step 2: Convert to fraction form
    8,869.34/13,312.38 = 4,489.94/x
  3. Step 3: Cross multiply
    8,869.34x = 13,312.38 × 4,489.94
  4. Step 4: Simplify right side
    8,869.34x = 59,771,787.46
  5. Step 5: Solve for x
    x = 59,771,787.46/8,869.34
  6. Step 6: Final answer
    x = 6,739.15

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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.