Home / 6,043.60-8,340.40-3,805.20

Finding the Fourth Proportional to 6,043.60, 8,340.40 and 3,805.20

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Solution

The fourth proportional to 6,043.60, 8,340.40 and 3,805.20 is: 5,251.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,043.60 : 8,340.40 = 3,805.20 : x
  2. Step 2: Convert to fraction form
    6,043.60/8,340.40 = 3,805.20/x
  3. Step 3: Cross multiply
    6,043.60x = 8,340.40 × 3,805.20
  4. Step 4: Simplify right side
    6,043.60x = 31,736,890.08
  5. Step 5: Solve for x
    x = 31,736,890.08/6,043.60
  6. Step 6: Final answer
    x = 5,251.32

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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.