Home / 8,612.26-11,886.55-5,258.05

Finding the Fourth Proportional to 8,612.26, 11,886.55 and 5,258.05

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Solution

The fourth proportional to 8,612.26, 11,886.55 and 5,258.05 is: 7,257.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,612.26 : 11,886.55 = 5,258.05 : x
  2. Step 2: Convert to fraction form
    8,612.26/11,886.55 = 5,258.05/x
  3. Step 3: Cross multiply
    8,612.26x = 11,886.55 × 5,258.05
  4. Step 4: Simplify right side
    8,612.26x = 62,500,031.37
  5. Step 5: Solve for x
    x = 62,500,031.37/8,612.26
  6. Step 6: Final answer
    x = 7,257.10

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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.