Home / 6,226.31-8,585.70-3,988.28

Finding the Fourth Proportional to 6,226.31, 8,585.70 and 3,988.28

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Solution

The fourth proportional to 6,226.31, 8,585.70 and 3,988.28 is: 5,499.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,226.31 : 8,585.70 = 3,988.28 : x
  2. Step 2: Convert to fraction form
    6,226.31/8,585.70 = 3,988.28/x
  3. Step 3: Cross multiply
    6,226.31x = 8,585.70 × 3,988.28
  4. Step 4: Simplify right side
    6,226.31x = 34,242,132.67
  5. Step 5: Solve for x
    x = 34,242,132.67/6,226.31
  6. Step 6: Final answer
    x = 5,499.59

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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.