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Finding the Fourth Proportional to 7,937.03, 10,947.87 and 5,099.93

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Solution

The fourth proportional to 7,937.03, 10,947.87 and 5,099.93 is: 7,034.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,937.03 : 10,947.87 = 5,099.93 : x
  2. Step 2: Convert to fraction form
    7,937.03/10,947.87 = 5,099.93/x
  3. Step 3: Cross multiply
    7,937.03x = 10,947.87 × 5,099.93
  4. Step 4: Simplify right side
    7,937.03x = 55,833,315.91
  5. Step 5: Solve for x
    x = 55,833,315.91/7,937.03
  6. Step 6: Final answer
    x = 7,034.54

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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.