Home / 7,615.39-10,508.59-4,258.68

Finding the Fourth Proportional to 7,615.39, 10,508.59 and 4,258.68

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Solution

The fourth proportional to 7,615.39, 10,508.59 and 4,258.68 is: 5,876.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,615.39 : 10,508.59 = 4,258.68 : x
  2. Step 2: Convert to fraction form
    7,615.39/10,508.59 = 4,258.68/x
  3. Step 3: Cross multiply
    7,615.39x = 10,508.59 × 4,258.68
  4. Step 4: Simplify right side
    7,615.39x = 44,752,648.22
  5. Step 5: Solve for x
    x = 44,752,648.22/7,615.39
  6. Step 6: Final answer
    x = 5,876.61

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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.