Home / 5,385.08-7,431.28-2,995.05

Finding the Fourth Proportional to 5,385.08, 7,431.28 and 2,995.05

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Solution

The fourth proportional to 5,385.08, 7,431.28 and 2,995.05 is: 4,133.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,385.08 : 7,431.28 = 2,995.05 : x
  2. Step 2: Convert to fraction form
    5,385.08/7,431.28 = 2,995.05/x
  3. Step 3: Cross multiply
    5,385.08x = 7,431.28 × 2,995.05
  4. Step 4: Simplify right side
    5,385.08x = 22,257,035.56
  5. Step 5: Solve for x
    x = 22,257,035.56/5,385.08
  6. Step 6: Final answer
    x = 4,133.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.