Home / 4,581.32-6,871.95-1,118.57

Finding the Fourth Proportional to 4,581.32, 6,871.95 and 1,118.57

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Solution

The fourth proportional to 4,581.32, 6,871.95 and 1,118.57 is: 1,677.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,581.32 : 6,871.95 = 1,118.57 : x
  2. Step 2: Convert to fraction form
    4,581.32/6,871.95 = 1,118.57/x
  3. Step 3: Cross multiply
    4,581.32x = 6,871.95 × 1,118.57
  4. Step 4: Simplify right side
    4,581.32x = 7,686,722.75
  5. Step 5: Solve for x
    x = 7,686,722.75/4,581.32
  6. Step 6: Final answer
    x = 1,677.84

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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.