Home / 7,227.60-10,820.28-6,535.86

Finding the Fourth Proportional to 7,227.60, 10,820.28 and 6,535.86

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Solution

The fourth proportional to 7,227.60, 10,820.28 and 6,535.86 is: 9,784.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,227.60 : 10,820.28 = 6,535.86 : x
  2. Step 2: Convert to fraction form
    7,227.60/10,820.28 = 6,535.86/x
  3. Step 3: Cross multiply
    7,227.60x = 10,820.28 × 6,535.86
  4. Step 4: Simplify right side
    7,227.60x = 70,719,835.24
  5. Step 5: Solve for x
    x = 70,719,835.24/7,227.60
  6. Step 6: Final answer
    x = 9,784.69

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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.