Home / 7,504.20-11,264.40-4,223.70

Finding the Fourth Proportional to 7,504.20, 11,264.40 and 4,223.70

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Solution

The fourth proportional to 7,504.20, 11,264.40 and 4,223.70 is: 6,340.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,504.20 : 11,264.40 = 4,223.70 : x
  2. Step 2: Convert to fraction form
    7,504.20/11,264.40 = 4,223.70/x
  3. Step 3: Cross multiply
    7,504.20x = 11,264.40 × 4,223.70
  4. Step 4: Simplify right side
    7,504.20x = 47,577,446.28
  5. Step 5: Solve for x
    x = 47,577,446.28/7,504.20
  6. Step 6: Final answer
    x = 6,340.11

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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.