Home / 7,219.06-10,830.11-2,288.05

Finding the Fourth Proportional to 7,219.06, 10,830.11 and 2,288.05

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Solution

The fourth proportional to 7,219.06, 10,830.11 and 2,288.05 is: 3,432.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,219.06 : 10,830.11 = 2,288.05 : x
  2. Step 2: Convert to fraction form
    7,219.06/10,830.11 = 2,288.05/x
  3. Step 3: Cross multiply
    7,219.06x = 10,830.11 × 2,288.05
  4. Step 4: Simplify right side
    7,219.06x = 24,779,784.76
  5. Step 5: Solve for x
    x = 24,779,784.76/7,219.06
  6. Step 6: Final answer
    x = 3,432.55

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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.