Home / 8,808.84-12,153.78-5,270.76

Finding the Fourth Proportional to 8,808.84, 12,153.78 and 5,270.76

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Solution

The fourth proportional to 8,808.84, 12,153.78 and 5,270.76 is: 7,272.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,808.84 : 12,153.78 = 5,270.76 : x
  2. Step 2: Convert to fraction form
    8,808.84/12,153.78 = 5,270.76/x
  3. Step 3: Cross multiply
    8,808.84x = 12,153.78 × 5,270.76
  4. Step 4: Simplify right side
    8,808.84x = 64,059,657.47
  5. Step 5: Solve for x
    x = 64,059,657.47/8,808.84
  6. Step 6: Final answer
    x = 7,272.20

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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.