Home / 6,987.60-10,481.40-5,835.60

Finding the Fourth Proportional to 6,987.60, 10,481.40 and 5,835.60

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Solution

The fourth proportional to 6,987.60, 10,481.40 and 5,835.60 is: 8,753.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,987.60 : 10,481.40 = 5,835.60 : x
  2. Step 2: Convert to fraction form
    6,987.60/10,481.40 = 5,835.60/x
  3. Step 3: Cross multiply
    6,987.60x = 10,481.40 × 5,835.60
  4. Step 4: Simplify right side
    6,987.60x = 61,165,257.84
  5. Step 5: Solve for x
    x = 61,165,257.84/6,987.60
  6. Step 6: Final answer
    x = 8,753.40

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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.