Home / 6,346.08-8,755.92-3,987.36

Finding the Fourth Proportional to 6,346.08, 8,755.92 and 3,987.36

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Solution

The fourth proportional to 6,346.08, 8,755.92 and 3,987.36 is: 5,501.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,346.08 : 8,755.92 = 3,987.36 : x
  2. Step 2: Convert to fraction form
    6,346.08/8,755.92 = 3,987.36/x
  3. Step 3: Cross multiply
    6,346.08x = 8,755.92 × 3,987.36
  4. Step 4: Simplify right side
    6,346.08x = 34,913,005.17
  5. Step 5: Solve for x
    x = 34,913,005.17/6,346.08
  6. Step 6: Final answer
    x = 5,501.51

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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.