Home / 4,987.52-7,476.24-2,215.68

Finding the Fourth Proportional to 4,987.52, 7,476.24 and 2,215.68

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Solution

The fourth proportional to 4,987.52, 7,476.24 and 2,215.68 is: 3,321.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,987.52 : 7,476.24 = 2,215.68 : x
  2. Step 2: Convert to fraction form
    4,987.52/7,476.24 = 2,215.68/x
  3. Step 3: Cross multiply
    4,987.52x = 7,476.24 × 2,215.68
  4. Step 4: Simplify right side
    4,987.52x = 16,564,955.44
  5. Step 5: Solve for x
    x = 16,564,955.44/4,987.52
  6. Step 6: Final answer
    x = 3,321.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.