Home / 4,971.08-6,859.14-3,398.60

Finding the Fourth Proportional to 4,971.08, 6,859.14 and 3,398.60

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Solution

The fourth proportional to 4,971.08, 6,859.14 and 3,398.60 is: 4,689.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,971.08 : 6,859.14 = 3,398.60 : x
  2. Step 2: Convert to fraction form
    4,971.08/6,859.14 = 3,398.60/x
  3. Step 3: Cross multiply
    4,971.08x = 6,859.14 × 3,398.60
  4. Step 4: Simplify right side
    4,971.08x = 23,311,473.20
  5. Step 5: Solve for x
    x = 23,311,473.20/4,971.08
  6. Step 6: Final answer
    x = 4,689.42

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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.