Home / 7,261.38-10,890.77-1,924.60

Finding the Fourth Proportional to 7,261.38, 10,890.77 and 1,924.60

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Solution

The fourth proportional to 7,261.38, 10,890.77 and 1,924.60 is: 2,886.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,261.38 : 10,890.77 = 1,924.60 : x
  2. Step 2: Convert to fraction form
    7,261.38/10,890.77 = 1,924.60/x
  3. Step 3: Cross multiply
    7,261.38x = 10,890.77 × 1,924.60
  4. Step 4: Simplify right side
    7,261.38x = 20,960,346.31
  5. Step 5: Solve for x
    x = 20,960,346.31/7,261.38
  6. Step 6: Final answer
    x = 2,886.55

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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.