Home / 6,887.30-10,318.80-5,652.86

Finding the Fourth Proportional to 6,887.30, 10,318.80 and 5,652.86

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Solution

The fourth proportional to 6,887.30, 10,318.80 and 5,652.86 is: 8,469.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,887.30 : 10,318.80 = 5,652.86 : x
  2. Step 2: Convert to fraction form
    6,887.30/10,318.80 = 5,652.86/x
  3. Step 3: Cross multiply
    6,887.30x = 10,318.80 × 5,652.86
  4. Step 4: Simplify right side
    6,887.30x = 58,330,731.77
  5. Step 5: Solve for x
    x = 58,330,731.77/6,887.30
  6. Step 6: Final answer
    x = 8,469.32

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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.