Home / 5,665.26-7,818.06-3,307.86

Finding the Fourth Proportional to 5,665.26, 7,818.06 and 3,307.86

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Solution

The fourth proportional to 5,665.26, 7,818.06 and 3,307.86 is: 4,564.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,665.26 : 7,818.06 = 3,307.86 : x
  2. Step 2: Convert to fraction form
    5,665.26/7,818.06 = 3,307.86/x
  3. Step 3: Cross multiply
    5,665.26x = 7,818.06 × 3,307.86
  4. Step 4: Simplify right side
    5,665.26x = 25,861,047.95
  5. Step 5: Solve for x
    x = 25,861,047.95/5,665.26
  6. Step 6: Final answer
    x = 4,564.85

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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.