Home / 5,228.16-7,215.48-3,132.24

Finding the Fourth Proportional to 5,228.16, 7,215.48 and 3,132.24

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Solution

The fourth proportional to 5,228.16, 7,215.48 and 3,132.24 is: 4,322.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,228.16 : 7,215.48 = 3,132.24 : x
  2. Step 2: Convert to fraction form
    5,228.16/7,215.48 = 3,132.24/x
  3. Step 3: Cross multiply
    5,228.16x = 7,215.48 × 3,132.24
  4. Step 4: Simplify right side
    5,228.16x = 22,600,615.08
  5. Step 5: Solve for x
    x = 22,600,615.08/5,228.16
  6. Step 6: Final answer
    x = 4,322.86

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Half scale
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Double scale
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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.