Home / 7,236.12-9,987.36-4,252.20

Finding the Fourth Proportional to 7,236.12, 9,987.36 and 4,252.20

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Solution

The fourth proportional to 7,236.12, 9,987.36 and 4,252.20 is: 5,868.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,236.12 : 9,987.36 = 4,252.20 : x
  2. Step 2: Convert to fraction form
    7,236.12/9,987.36 = 4,252.20/x
  3. Step 3: Cross multiply
    7,236.12x = 9,987.36 × 4,252.20
  4. Step 4: Simplify right side
    7,236.12x = 42,468,252.19
  5. Step 5: Solve for x
    x = 42,468,252.19/7,236.12
  6. Step 6: Final answer
    x = 5,868.93

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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.