Home / 4,987.73-6,884.03-2,864.51

Finding the Fourth Proportional to 4,987.73, 6,884.03 and 2,864.51

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Solution

The fourth proportional to 4,987.73, 6,884.03 and 2,864.51 is: 3,953.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,987.73 : 6,884.03 = 2,864.51 : x
  2. Step 2: Convert to fraction form
    4,987.73/6,884.03 = 2,864.51/x
  3. Step 3: Cross multiply
    4,987.73x = 6,884.03 × 2,864.51
  4. Step 4: Simplify right side
    4,987.73x = 19,719,358.45
  5. Step 5: Solve for x
    x = 19,719,358.45/4,987.73
  6. Step 6: Final answer
    x = 3,953.57

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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.