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Finding the Fourth Proportional to 6,247.86, 9,373.08 and 1,865.64

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Solution

The fourth proportional to 6,247.86, 9,373.08 and 1,865.64 is: 2,798.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,247.86 : 9,373.08 = 1,865.64 : x
  2. Step 2: Convert to fraction form
    6,247.86/9,373.08 = 1,865.64/x
  3. Step 3: Cross multiply
    6,247.86x = 9,373.08 × 1,865.64
  4. Step 4: Simplify right side
    6,247.86x = 17,486,792.97
  5. Step 5: Solve for x
    x = 17,486,792.97/6,247.86
  6. Step 6: Final answer
    x = 2,798.85

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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.