Home / 5,387.19-8,069.58-3,539.18

Finding the Fourth Proportional to 5,387.19, 8,069.58 and 3,539.18

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Solution

The fourth proportional to 5,387.19, 8,069.58 and 3,539.18 is: 5,301.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,387.19 : 8,069.58 = 3,539.18 : x
  2. Step 2: Convert to fraction form
    5,387.19/8,069.58 = 3,539.18/x
  3. Step 3: Cross multiply
    5,387.19x = 8,069.58 × 3,539.18
  4. Step 4: Simplify right side
    5,387.19x = 28,559,655.80
  5. Step 5: Solve for x
    x = 28,559,655.80/5,387.19
  6. Step 6: Final answer
    x = 5,301.40

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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.