Home / 7,218.15-10,827.21-2,288.18

Finding the Fourth Proportional to 7,218.15, 10,827.21 and 2,288.18

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Solution

The fourth proportional to 7,218.15, 10,827.21 and 2,288.18 is: 3,432.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,218.15 : 10,827.21 = 2,288.18 : x
  2. Step 2: Convert to fraction form
    7,218.15/10,827.21 = 2,288.18/x
  3. Step 3: Cross multiply
    7,218.15x = 10,827.21 × 2,288.18
  4. Step 4: Simplify right side
    7,218.15x = 24,774,551.24
  5. Step 5: Solve for x
    x = 24,774,551.24/7,218.15
  6. Step 6: Final answer
    x = 3,432.26

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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.