Home / 6,272.96-8,656.44-3,478.40

Finding the Fourth Proportional to 6,272.96, 8,656.44 and 3,478.40

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Solution

The fourth proportional to 6,272.96, 8,656.44 and 3,478.40 is: 4,800.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,272.96 : 8,656.44 = 3,478.40 : x
  2. Step 2: Convert to fraction form
    6,272.96/8,656.44 = 3,478.40/x
  3. Step 3: Cross multiply
    6,272.96x = 8,656.44 × 3,478.40
  4. Step 4: Simplify right side
    6,272.96x = 30,110,560.90
  5. Step 5: Solve for x
    x = 30,110,560.90/6,272.96
  6. Step 6: Final answer
    x = 4,800.06

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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.