Home / 6,515.55-9,773.18-1,585.21

Finding the Fourth Proportional to 6,515.55, 9,773.18 and 1,585.21

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Solution

The fourth proportional to 6,515.55, 9,773.18 and 1,585.21 is: 2,377.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,515.55 : 9,773.18 = 1,585.21 : x
  2. Step 2: Convert to fraction form
    6,515.55/9,773.18 = 1,585.21/x
  3. Step 3: Cross multiply
    6,515.55x = 9,773.18 × 1,585.21
  4. Step 4: Simplify right side
    6,515.55x = 15,492,542.67
  5. Step 5: Solve for x
    x = 15,492,542.67/6,515.55
  6. Step 6: Final answer
    x = 2,377.78

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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.