Home / 6,856.60-9,462.66-3,873.16

Finding the Fourth Proportional to 6,856.60, 9,462.66 and 3,873.16

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Solution

The fourth proportional to 6,856.60, 9,462.66 and 3,873.16 is: 5,345.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,856.60 : 9,462.66 = 3,873.16 : x
  2. Step 2: Convert to fraction form
    6,856.60/9,462.66 = 3,873.16/x
  3. Step 3: Cross multiply
    6,856.60x = 9,462.66 × 3,873.16
  4. Step 4: Simplify right side
    6,856.60x = 36,650,396.21
  5. Step 5: Solve for x
    x = 36,650,396.21/6,856.60
  6. Step 6: Final answer
    x = 5,345.27

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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.