Home / 6,745.60-10,118.56-2,587.68

Finding the Fourth Proportional to 6,745.60, 10,118.56 and 2,587.68

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Solution

The fourth proportional to 6,745.60, 10,118.56 and 2,587.68 is: 3,881.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,745.60 : 10,118.56 = 2,587.68 : x
  2. Step 2: Convert to fraction form
    6,745.60/10,118.56 = 2,587.68/x
  3. Step 3: Cross multiply
    6,745.60x = 10,118.56 × 2,587.68
  4. Step 4: Simplify right side
    6,745.60x = 26,183,595.34
  5. Step 5: Solve for x
    x = 26,183,595.34/6,745.60
  6. Step 6: Final answer
    x = 3,881.58

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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.