Home / 7,218.16-10,826.90-2,288.08

Finding the Fourth Proportional to 7,218.16, 10,826.90 and 2,288.08

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Solution

The fourth proportional to 7,218.16, 10,826.90 and 2,288.08 is: 3,432.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,218.16 : 10,826.90 = 2,288.08 : x
  2. Step 2: Convert to fraction form
    7,218.16/10,826.90 = 2,288.08/x
  3. Step 3: Cross multiply
    7,218.16x = 10,826.90 × 2,288.08
  4. Step 4: Simplify right side
    7,218.16x = 24,772,813.35
  5. Step 5: Solve for x
    x = 24,772,813.35/7,218.16
  6. Step 6: Final answer
    x = 3,432.01

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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.