Home / 7,641.06-10,538.67-5,122.36

Finding the Fourth Proportional to 7,641.06, 10,538.67 and 5,122.36

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Solution

The fourth proportional to 7,641.06, 10,538.67 and 5,122.36 is: 7,064.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,641.06 : 10,538.67 = 5,122.36 : x
  2. Step 2: Convert to fraction form
    7,641.06/10,538.67 = 5,122.36/x
  3. Step 3: Cross multiply
    7,641.06x = 10,538.67 × 5,122.36
  4. Step 4: Simplify right side
    7,641.06x = 53,982,861.66
  5. Step 5: Solve for x
    x = 53,982,861.66/7,641.06
  6. Step 6: Final answer
    x = 7,064.84

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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.