Home / 3,712.32-5,568.93-1,115.10

Finding the Fourth Proportional to 3,712.32, 5,568.93 and 1,115.10

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Solution

The fourth proportional to 3,712.32, 5,568.93 and 1,115.10 is: 1,672.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,712.32 : 5,568.93 = 1,115.10 : x
  2. Step 2: Convert to fraction form
    3,712.32/5,568.93 = 1,115.10/x
  3. Step 3: Cross multiply
    3,712.32x = 5,568.93 × 1,115.10
  4. Step 4: Simplify right side
    3,712.32x = 6,209,913.84
  5. Step 5: Solve for x
    x = 6,209,913.84/3,712.32
  6. Step 6: Final answer
    x = 1,672.79

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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.