Home / 7,219.24-10,830.28-2,287.56

Finding the Fourth Proportional to 7,219.24, 10,830.28 and 2,287.56

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Solution

The fourth proportional to 7,219.24, 10,830.28 and 2,287.56 is: 3,431.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,219.24 : 10,830.28 = 2,287.56 : x
  2. Step 2: Convert to fraction form
    7,219.24/10,830.28 = 2,287.56/x
  3. Step 3: Cross multiply
    7,219.24x = 10,830.28 × 2,287.56
  4. Step 4: Simplify right side
    7,219.24x = 24,774,915.32
  5. Step 5: Solve for x
    x = 24,774,915.32/7,219.24
  6. Step 6: Final answer
    x = 3,431.79

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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.