Home / 9,247.24-12,763.46-5,270.70

Finding the Fourth Proportional to 9,247.24, 12,763.46 and 5,270.70

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Solution

The fourth proportional to 9,247.24, 12,763.46 and 5,270.70 is: 7,274.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,247.24 : 12,763.46 = 5,270.70 : x
  2. Step 2: Convert to fraction form
    9,247.24/12,763.46 = 5,270.70/x
  3. Step 3: Cross multiply
    9,247.24x = 12,763.46 × 5,270.70
  4. Step 4: Simplify right side
    9,247.24x = 67,272,368.62
  5. Step 5: Solve for x
    x = 67,272,368.62/9,247.24
  6. Step 6: Final answer
    x = 7,274.86

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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.