Home / 7,551.32-11,324.41-2,870.20

Finding the Fourth Proportional to 7,551.32, 11,324.41 and 2,870.20

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Solution

The fourth proportional to 7,551.32, 11,324.41 and 2,870.20 is: 4,304.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,551.32 : 11,324.41 = 2,870.20 : x
  2. Step 2: Convert to fraction form
    7,551.32/11,324.41 = 2,870.20/x
  3. Step 3: Cross multiply
    7,551.32x = 11,324.41 × 2,870.20
  4. Step 4: Simplify right side
    7,551.32x = 32,503,286.10
  5. Step 5: Solve for x
    x = 32,503,286.10/7,551.32
  6. Step 6: Final answer
    x = 4,304.32

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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.