Home / 7,972.83-11,002.13-4,387.67

Finding the Fourth Proportional to 7,972.83, 11,002.13 and 4,387.67

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Solution

The fourth proportional to 7,972.83, 11,002.13 and 4,387.67 is: 6,054.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,972.83 : 11,002.13 = 4,387.67 : x
  2. Step 2: Convert to fraction form
    7,972.83/11,002.13 = 4,387.67/x
  3. Step 3: Cross multiply
    7,972.83x = 11,002.13 × 4,387.67
  4. Step 4: Simplify right side
    7,972.83x = 48,273,696.50
  5. Step 5: Solve for x
    x = 48,273,696.50/7,972.83
  6. Step 6: Final answer
    x = 6,054.78

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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.