Home / 4,842.40-7,263.60-3,690.40

Finding the Fourth Proportional to 4,842.40, 7,263.60 and 3,690.40

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Solution

The fourth proportional to 4,842.40, 7,263.60 and 3,690.40 is: 5,535.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,842.40 : 7,263.60 = 3,690.40 : x
  2. Step 2: Convert to fraction form
    4,842.40/7,263.60 = 3,690.40/x
  3. Step 3: Cross multiply
    4,842.40x = 7,263.60 × 3,690.40
  4. Step 4: Simplify right side
    4,842.40x = 26,805,589.44
  5. Step 5: Solve for x
    x = 26,805,589.44/4,842.40
  6. Step 6: Final answer
    x = 5,535.60

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Similar ratio
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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.