Home / 7,320.90-10,103.22-4,177.02

Finding the Fourth Proportional to 7,320.90, 10,103.22 and 4,177.02

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Solution

The fourth proportional to 7,320.90, 10,103.22 and 4,177.02 is: 5,764.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,320.90 : 10,103.22 = 4,177.02 : x
  2. Step 2: Convert to fraction form
    7,320.90/10,103.22 = 4,177.02/x
  3. Step 3: Cross multiply
    7,320.90x = 10,103.22 × 4,177.02
  4. Step 4: Simplify right side
    7,320.90x = 42,201,352.00
  5. Step 5: Solve for x
    x = 42,201,352.00/7,320.90
  6. Step 6: Final answer
    x = 5,764.50

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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.