Home / 7,423.09-10,231.05-6,472.96

Finding the Fourth Proportional to 7,423.09, 10,231.05 and 6,472.96

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Solution

The fourth proportional to 7,423.09, 10,231.05 and 6,472.96 is: 8,921.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,423.09 : 10,231.05 = 6,472.96 : x
  2. Step 2: Convert to fraction form
    7,423.09/10,231.05 = 6,472.96/x
  3. Step 3: Cross multiply
    7,423.09x = 10,231.05 × 6,472.96
  4. Step 4: Simplify right side
    7,423.09x = 66,225,177.41
  5. Step 5: Solve for x
    x = 66,225,177.41/7,423.09
  6. Step 6: Final answer
    x = 8,921.51

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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.