Home / 8,281.25-11,427.77-4,744.79

Finding the Fourth Proportional to 8,281.25, 11,427.77 and 4,744.79

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Solution

The fourth proportional to 8,281.25, 11,427.77 and 4,744.79 is: 6,547.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,281.25 : 11,427.77 = 4,744.79 : x
  2. Step 2: Convert to fraction form
    8,281.25/11,427.77 = 4,744.79/x
  3. Step 3: Cross multiply
    8,281.25x = 11,427.77 × 4,744.79
  4. Step 4: Simplify right side
    8,281.25x = 54,222,287.96
  5. Step 5: Solve for x
    x = 54,222,287.96/8,281.25
  6. Step 6: Final answer
    x = 6,547.60

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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.