Home / 7,321.60-10,103.16-4,177.04

Finding the Fourth Proportional to 7,321.60, 10,103.16 and 4,177.04

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Solution

The fourth proportional to 7,321.60, 10,103.16 and 4,177.04 is: 5,763.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,321.60 : 10,103.16 = 4,177.04 : x
  2. Step 2: Convert to fraction form
    7,321.60/10,103.16 = 4,177.04/x
  3. Step 3: Cross multiply
    7,321.60x = 10,103.16 × 4,177.04
  4. Step 4: Simplify right side
    7,321.60x = 42,201,303.45
  5. Step 5: Solve for x
    x = 42,201,303.45/7,321.60
  6. Step 6: Final answer
    x = 5,763.95

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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.