Home / 7,219.10-10,827.74-2,288.78

Finding the Fourth Proportional to 7,219.10, 10,827.74 and 2,288.78

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Solution

The fourth proportional to 7,219.10, 10,827.74 and 2,288.78 is: 3,432.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,219.10 : 10,827.74 = 2,288.78 : x
  2. Step 2: Convert to fraction form
    7,219.10/10,827.74 = 2,288.78/x
  3. Step 3: Cross multiply
    7,219.10x = 10,827.74 × 2,288.78
  4. Step 4: Simplify right side
    7,219.10x = 24,782,303.31
  5. Step 5: Solve for x
    x = 24,782,303.31/7,219.10
  6. Step 6: Final answer
    x = 3,432.88

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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.