Home / 8,132.56-11,222.31-4,547.50

Finding the Fourth Proportional to 8,132.56, 11,222.31 and 4,547.50

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Solution

The fourth proportional to 8,132.56, 11,222.31 and 4,547.50 is: 6,275.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,132.56 : 11,222.31 = 4,547.50 : x
  2. Step 2: Convert to fraction form
    8,132.56/11,222.31 = 4,547.50/x
  3. Step 3: Cross multiply
    8,132.56x = 11,222.31 × 4,547.50
  4. Step 4: Simplify right side
    8,132.56x = 51,033,454.73
  5. Step 5: Solve for x
    x = 51,033,454.73/8,132.56
  6. Step 6: Final answer
    x = 6,275.20

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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.