Home / 5,437.44-8,156.16-4,291.20

Finding the Fourth Proportional to 5,437.44, 8,156.16 and 4,291.20

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Solution

The fourth proportional to 5,437.44, 8,156.16 and 4,291.20 is: 6,436.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,437.44 : 8,156.16 = 4,291.20 : x
  2. Step 2: Convert to fraction form
    5,437.44/8,156.16 = 4,291.20/x
  3. Step 3: Cross multiply
    5,437.44x = 8,156.16 × 4,291.20
  4. Step 4: Simplify right side
    5,437.44x = 34,999,713.79
  5. Step 5: Solve for x
    x = 34,999,713.79/5,437.44
  6. Step 6: Final answer
    x = 6,436.80

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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.