Home / 5,631.25-7,766.07-4,690.15

Finding the Fourth Proportional to 5,631.25, 7,766.07 and 4,690.15

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Solution

The fourth proportional to 5,631.25, 7,766.07 and 4,690.15 is: 6,468.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,631.25 : 7,766.07 = 4,690.15 : x
  2. Step 2: Convert to fraction form
    5,631.25/7,766.07 = 4,690.15/x
  3. Step 3: Cross multiply
    5,631.25x = 7,766.07 × 4,690.15
  4. Step 4: Simplify right side
    5,631.25x = 36,424,033.21
  5. Step 5: Solve for x
    x = 36,424,033.21/5,631.25
  6. Step 6: Final answer
    x = 6,468.20

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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.