Home / 4,311.04-5,947.20-2,818.40

Finding the Fourth Proportional to 4,311.04, 5,947.20 and 2,818.40

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Solution

The fourth proportional to 4,311.04, 5,947.20 and 2,818.40 is: 3,888.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,311.04 : 5,947.20 = 2,818.40 : x
  2. Step 2: Convert to fraction form
    4,311.04/5,947.20 = 2,818.40/x
  3. Step 3: Cross multiply
    4,311.04x = 5,947.20 × 2,818.40
  4. Step 4: Simplify right side
    4,311.04x = 16,761,588.48
  5. Step 5: Solve for x
    x = 16,761,588.48/4,311.04
  6. Step 6: Final answer
    x = 3,888.06

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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.