Home / 8,074.55-11,143.13-4,888.43

Finding the Fourth Proportional to 8,074.55, 11,143.13 and 4,888.43

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Solution

The fourth proportional to 8,074.55, 11,143.13 and 4,888.43 is: 6,746.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,074.55 : 11,143.13 = 4,888.43 : x
  2. Step 2: Convert to fraction form
    8,074.55/11,143.13 = 4,888.43/x
  3. Step 3: Cross multiply
    8,074.55x = 11,143.13 × 4,888.43
  4. Step 4: Simplify right side
    8,074.55x = 54,472,330.83
  5. Step 5: Solve for x
    x = 54,472,330.83/8,074.55
  6. Step 6: Final answer
    x = 6,746.18

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Double scale
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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.