Home / 4,891.20-6,749.88-2,901.87

Finding the Fourth Proportional to 4,891.20, 6,749.88 and 2,901.87

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Solution

The fourth proportional to 4,891.20, 6,749.88 and 2,901.87 is: 4,004.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,891.20 : 6,749.88 = 2,901.87 : x
  2. Step 2: Convert to fraction form
    4,891.20/6,749.88 = 2,901.87/x
  3. Step 3: Cross multiply
    4,891.20x = 6,749.88 × 2,901.87
  4. Step 4: Simplify right side
    4,891.20x = 19,587,274.28
  5. Step 5: Solve for x
    x = 19,587,274.28/4,891.20
  6. Step 6: Final answer
    x = 4,004.59

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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.