Home / 7,455.89-10,288.92-4,098.70

Finding the Fourth Proportional to 7,455.89, 10,288.92 and 4,098.70

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Solution

The fourth proportional to 7,455.89, 10,288.92 and 4,098.70 is: 5,656.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,455.89 : 10,288.92 = 4,098.70 : x
  2. Step 2: Convert to fraction form
    7,455.89/10,288.92 = 4,098.70/x
  3. Step 3: Cross multiply
    7,455.89x = 10,288.92 × 4,098.70
  4. Step 4: Simplify right side
    7,455.89x = 42,171,193.90
  5. Step 5: Solve for x
    x = 42,171,193.90/7,455.89
  6. Step 6: Final answer
    x = 5,656.10

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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.