Home / 8,817.90-12,168.45-4,838.88

Finding the Fourth Proportional to 8,817.90, 12,168.45 and 4,838.88

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Solution

The fourth proportional to 8,817.90, 12,168.45 and 4,838.88 is: 6,677.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,817.90 : 12,168.45 = 4,838.88 : x
  2. Step 2: Convert to fraction form
    8,817.90/12,168.45 = 4,838.88/x
  3. Step 3: Cross multiply
    8,817.90x = 12,168.45 × 4,838.88
  4. Step 4: Simplify right side
    8,817.90x = 58,881,669.34
  5. Step 5: Solve for x
    x = 58,881,669.34/8,817.90
  6. Step 6: Final answer
    x = 6,677.52

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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.