Home / 8,272.50-11,416.78-4,547.22

Finding the Fourth Proportional to 8,272.50, 11,416.78 and 4,547.22

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Solution

The fourth proportional to 8,272.50, 11,416.78 and 4,547.22 is: 6,275.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,272.50 : 11,416.78 = 4,547.22 : x
  2. Step 2: Convert to fraction form
    8,272.50/11,416.78 = 4,547.22/x
  3. Step 3: Cross multiply
    8,272.50x = 11,416.78 × 4,547.22
  4. Step 4: Simplify right side
    8,272.50x = 51,914,610.35
  5. Step 5: Solve for x
    x = 51,914,610.35/8,272.50
  6. Step 6: Final answer
    x = 6,275.56

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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.