Home / 8,817.76-12,168.48-4,838.80

Finding the Fourth Proportional to 8,817.76, 12,168.48 and 4,838.80

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Solution

The fourth proportional to 8,817.76, 12,168.48 and 4,838.80 is: 6,677.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,817.76 : 12,168.48 = 4,838.80 : x
  2. Step 2: Convert to fraction form
    8,817.76/12,168.48 = 4,838.80/x
  3. Step 3: Cross multiply
    8,817.76x = 12,168.48 × 4,838.80
  4. Step 4: Simplify right side
    8,817.76x = 58,880,841.02
  5. Step 5: Solve for x
    x = 58,880,841.02/8,817.76
  6. Step 6: Final answer
    x = 6,677.53

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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.