Home / 6,976.48-10,456.80-3,275.20

Finding the Fourth Proportional to 6,976.48, 10,456.80 and 3,275.20

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Solution

The fourth proportional to 6,976.48, 10,456.80 and 3,275.20 is: 4,909.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,976.48 : 10,456.80 = 3,275.20 : x
  2. Step 2: Convert to fraction form
    6,976.48/10,456.80 = 3,275.20/x
  3. Step 3: Cross multiply
    6,976.48x = 10,456.80 × 3,275.20
  4. Step 4: Simplify right side
    6,976.48x = 34,248,111.36
  5. Step 5: Solve for x
    x = 34,248,111.36/6,976.48
  6. Step 6: Final answer
    x = 4,909.08

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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.