Home / 8,485.90-11,715.42-5,652.52

Finding the Fourth Proportional to 8,485.90, 11,715.42 and 5,652.52

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Solution

The fourth proportional to 8,485.90, 11,715.42 and 5,652.52 is: 7,803.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,485.90 : 11,715.42 = 5,652.52 : x
  2. Step 2: Convert to fraction form
    8,485.90/11,715.42 = 5,652.52/x
  3. Step 3: Cross multiply
    8,485.90x = 11,715.42 × 5,652.52
  4. Step 4: Simplify right side
    8,485.90x = 66,221,645.86
  5. Step 5: Solve for x
    x = 66,221,645.86/8,485.90
  6. Step 6: Final answer
    x = 7,803.73

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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.