Home / 6,257.52-8,639.46-5,081.40

Finding the Fourth Proportional to 6,257.52, 8,639.46 and 5,081.40

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Solution

The fourth proportional to 6,257.52, 8,639.46 and 5,081.40 is: 7,015.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,257.52 : 8,639.46 = 5,081.40 : x
  2. Step 2: Convert to fraction form
    6,257.52/8,639.46 = 5,081.40/x
  3. Step 3: Cross multiply
    6,257.52x = 8,639.46 × 5,081.40
  4. Step 4: Simplify right side
    6,257.52x = 43,900,552.04
  5. Step 5: Solve for x
    x = 43,900,552.04/6,257.52
  6. Step 6: Final answer
    x = 7,015.65

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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.