Home / 5,818.76-8,724.83-3,972.11

Finding the Fourth Proportional to 5,818.76, 8,724.83 and 3,972.11

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Solution

The fourth proportional to 5,818.76, 8,724.83 and 3,972.11 is: 5,955.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,818.76 : 8,724.83 = 3,972.11 : x
  2. Step 2: Convert to fraction form
    5,818.76/8,724.83 = 3,972.11/x
  3. Step 3: Cross multiply
    5,818.76x = 8,724.83 × 3,972.11
  4. Step 4: Simplify right side
    5,818.76x = 34,655,984.49
  5. Step 5: Solve for x
    x = 34,655,984.49/5,818.76
  6. Step 6: Final answer
    x = 5,955.91

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1.5x scale

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.