Home / 7,423.09-10,244.81-4,279.30

Finding the Fourth Proportional to 7,423.09, 10,244.81 and 4,279.30

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Solution

The fourth proportional to 7,423.09, 10,244.81 and 4,279.30 is: 5,905.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,423.09 : 10,244.81 = 4,279.30 : x
  2. Step 2: Convert to fraction form
    7,423.09/10,244.81 = 4,279.30/x
  3. Step 3: Cross multiply
    7,423.09x = 10,244.81 × 4,279.30
  4. Step 4: Simplify right side
    7,423.09x = 43,840,542.81
  5. Step 5: Solve for x
    x = 43,840,542.81/7,423.09
  6. Step 6: Final answer
    x = 5,905.97

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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.