Home / 4,387.52-6,054.78-2,815.62

Finding the Fourth Proportional to 4,387.52, 6,054.78 and 2,815.62

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Solution

The fourth proportional to 4,387.52, 6,054.78 and 2,815.62 is: 3,885.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,387.52 : 6,054.78 = 2,815.62 : x
  2. Step 2: Convert to fraction form
    4,387.52/6,054.78 = 2,815.62/x
  3. Step 3: Cross multiply
    4,387.52x = 6,054.78 × 2,815.62
  4. Step 4: Simplify right side
    4,387.52x = 17,047,959.66
  5. Step 5: Solve for x
    x = 17,047,959.66/4,387.52
  6. Step 6: Final answer
    x = 3,885.56

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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.