Home / 5,437.85-8,156.77-2,515.77

Finding the Fourth Proportional to 5,437.85, 8,156.77 and 2,515.77

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Solution

The fourth proportional to 5,437.85, 8,156.77 and 2,515.77 is: 3,773.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,437.85 : 8,156.77 = 2,515.77 : x
  2. Step 2: Convert to fraction form
    5,437.85/8,156.77 = 2,515.77/x
  3. Step 3: Cross multiply
    5,437.85x = 8,156.77 × 2,515.77
  4. Step 4: Simplify right side
    5,437.85x = 20,520,583.94
  5. Step 5: Solve for x
    x = 20,520,583.94/5,437.85
  6. Step 6: Final answer
    x = 3,773.66

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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.