Home / 5,284.19-7,290.30-3,158.24

Finding the Fourth Proportional to 5,284.19, 7,290.30 and 3,158.24

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Solution

The fourth proportional to 5,284.19, 7,290.30 and 3,158.24 is: 4,357.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,284.19 : 7,290.30 = 3,158.24 : x
  2. Step 2: Convert to fraction form
    5,284.19/7,290.30 = 3,158.24/x
  3. Step 3: Cross multiply
    5,284.19x = 7,290.30 × 3,158.24
  4. Step 4: Simplify right side
    5,284.19x = 23,024,533.47
  5. Step 5: Solve for x
    x = 23,024,533.47/5,284.19
  6. Step 6: Final answer
    x = 4,357.25

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Similar ratio
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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.