Home / 7,430.06-11,158.97-6,540.91

Finding the Fourth Proportional to 7,430.06, 11,158.97 and 6,540.91

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Solution

The fourth proportional to 7,430.06, 11,158.97 and 6,540.91 is: 9,823.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,430.06 : 11,158.97 = 6,540.91 : x
  2. Step 2: Convert to fraction form
    7,430.06/11,158.97 = 6,540.91/x
  3. Step 3: Cross multiply
    7,430.06x = 11,158.97 × 6,540.91
  4. Step 4: Simplify right side
    7,430.06x = 72,989,806.92
  5. Step 5: Solve for x
    x = 72,989,806.92/7,430.06
  6. Step 6: Final answer
    x = 9,823.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.