Home / 8,398.08-11,589.35-4,621.17

Finding the Fourth Proportional to 8,398.08, 11,589.35 and 4,621.17

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Solution

The fourth proportional to 8,398.08, 11,589.35 and 4,621.17 is: 6,377.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,398.08 : 11,589.35 = 4,621.17 : x
  2. Step 2: Convert to fraction form
    8,398.08/11,589.35 = 4,621.17/x
  3. Step 3: Cross multiply
    8,398.08x = 11,589.35 × 4,621.17
  4. Step 4: Simplify right side
    8,398.08x = 53,556,356.54
  5. Step 5: Solve for x
    x = 53,556,356.54/8,398.08
  6. Step 6: Final answer
    x = 6,377.21

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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.