Home / 5,152.32-7,113.90-3,165.54

Finding the Fourth Proportional to 5,152.32, 7,113.90 and 3,165.54

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Solution

The fourth proportional to 5,152.32, 7,113.90 and 3,165.54 is: 4,370.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,152.32 : 7,113.90 = 3,165.54 : x
  2. Step 2: Convert to fraction form
    5,152.32/7,113.90 = 3,165.54/x
  3. Step 3: Cross multiply
    5,152.32x = 7,113.90 × 3,165.54
  4. Step 4: Simplify right side
    5,152.32x = 22,519,335.01
  5. Step 5: Solve for x
    x = 22,519,335.01/5,152.32
  6. Step 6: Final answer
    x = 4,370.72

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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.