Home / 7,423.13-10,243.92-4,279.32

Finding the Fourth Proportional to 7,423.13, 10,243.92 and 4,279.32

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Solution

The fourth proportional to 7,423.13, 10,243.92 and 4,279.32 is: 5,905.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,423.13 : 10,243.92 = 4,279.32 : x
  2. Step 2: Convert to fraction form
    7,423.13/10,243.92 = 4,279.32/x
  3. Step 3: Cross multiply
    7,423.13x = 10,243.92 × 4,279.32
  4. Step 4: Simplify right side
    7,423.13x = 43,837,011.73
  5. Step 5: Solve for x
    x = 43,837,011.73/7,423.13
  6. Step 6: Final answer
    x = 5,905.47

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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.