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Finding the Fourth Proportional to 8,869.00, 12,238.99 and 4,890.04

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Solution

The fourth proportional to 8,869.00, 12,238.99 and 4,890.04 is: 6,748.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,869.00 : 12,238.99 = 4,890.04 : x
  2. Step 2: Convert to fraction form
    8,869.00/12,238.99 = 4,890.04/x
  3. Step 3: Cross multiply
    8,869.00x = 12,238.99 × 4,890.04
  4. Step 4: Simplify right side
    8,869.00x = 59,849,190.43
  5. Step 5: Solve for x
    x = 59,849,190.43/8,869.00
  6. Step 6: Final answer
    x = 6,748.13

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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.