Home / 4,987.77-6,882.81-2,749.52

Finding the Fourth Proportional to 4,987.77, 6,882.81 and 2,749.52

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Solution

The fourth proportional to 4,987.77, 6,882.81 and 2,749.52 is: 3,794.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,987.77 : 6,882.81 = 2,749.52 : x
  2. Step 2: Convert to fraction form
    4,987.77/6,882.81 = 2,749.52/x
  3. Step 3: Cross multiply
    4,987.77x = 6,882.81 × 2,749.52
  4. Step 4: Simplify right side
    4,987.77x = 18,924,423.75
  5. Step 5: Solve for x
    x = 18,924,423.75/4,987.77
  6. Step 6: Final answer
    x = 3,794.17

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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.