Home / 4,987.16-6,881.74-2,862.13

Finding the Fourth Proportional to 4,987.16, 6,881.74 and 2,862.13

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Solution

The fourth proportional to 4,987.16, 6,881.74 and 2,862.13 is: 3,949.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,987.16 : 6,881.74 = 2,862.13 : x
  2. Step 2: Convert to fraction form
    4,987.16/6,881.74 = 2,862.13/x
  3. Step 3: Cross multiply
    4,987.16x = 6,881.74 × 2,862.13
  4. Step 4: Simplify right side
    4,987.16x = 19,696,410.15
  5. Step 5: Solve for x
    x = 19,696,410.15/4,987.16
  6. Step 6: Final answer
    x = 3,949.42

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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.