Home / 5,686.71-8,526.41-3,926.78

Finding the Fourth Proportional to 5,686.71, 8,526.41 and 3,926.78

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Solution

The fourth proportional to 5,686.71, 8,526.41 and 3,926.78 is: 5,887.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,686.71 : 8,526.41 = 3,926.78 : x
  2. Step 2: Convert to fraction form
    5,686.71/8,526.41 = 3,926.78/x
  3. Step 3: Cross multiply
    5,686.71x = 8,526.41 × 3,926.78
  4. Step 4: Simplify right side
    5,686.71x = 33,481,336.26
  5. Step 5: Solve for x
    x = 33,481,336.26/5,686.71
  6. Step 6: Final answer
    x = 5,887.65

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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.