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Finding the Fourth Proportional to 4,498.71, 6,210.14 and 2,821.08

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Solution

The fourth proportional to 4,498.71, 6,210.14 and 2,821.08 is: 3,894.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,498.71 : 6,210.14 = 2,821.08 : x
  2. Step 2: Convert to fraction form
    4,498.71/6,210.14 = 2,821.08/x
  3. Step 3: Cross multiply
    4,498.71x = 6,210.14 × 2,821.08
  4. Step 4: Simplify right side
    4,498.71x = 17,519,301.75
  5. Step 5: Solve for x
    x = 17,519,301.75/4,498.71
  6. Step 6: Final answer
    x = 3,894.29

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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.