Home / 6,017.80-8,306.87-5,387.21

Finding the Fourth Proportional to 6,017.80, 8,306.87 and 5,387.21

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Solution

The fourth proportional to 6,017.80, 8,306.87 and 5,387.21 is: 7,436.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,017.80 : 8,306.87 = 5,387.21 : x
  2. Step 2: Convert to fraction form
    6,017.80/8,306.87 = 5,387.21/x
  3. Step 3: Cross multiply
    6,017.80x = 8,306.87 × 5,387.21
  4. Step 4: Simplify right side
    6,017.80x = 44,750,853.13
  5. Step 5: Solve for x
    x = 44,750,853.13/6,017.80
  6. Step 6: Final answer
    x = 7,436.41

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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.