Home / 6,924.40-9,555.80-3,780.60

Finding the Fourth Proportional to 6,924.40, 9,555.80 and 3,780.60

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Solution

The fourth proportional to 6,924.40, 9,555.80 and 3,780.60 is: 5,217.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,924.40 : 9,555.80 = 3,780.60 : x
  2. Step 2: Convert to fraction form
    6,924.40/9,555.80 = 3,780.60/x
  3. Step 3: Cross multiply
    6,924.40x = 9,555.80 × 3,780.60
  4. Step 4: Simplify right side
    6,924.40x = 36,126,657.48
  5. Step 5: Solve for x
    x = 36,126,657.48/6,924.40
  6. Step 6: Final answer
    x = 5,217.30

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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.