Home / 5,043.64-6,959.78-2,805.16

Finding the Fourth Proportional to 5,043.64, 6,959.78 and 2,805.16

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Solution

The fourth proportional to 5,043.64, 6,959.78 and 2,805.16 is: 3,870.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,043.64 : 6,959.78 = 2,805.16 : x
  2. Step 2: Convert to fraction form
    5,043.64/6,959.78 = 2,805.16/x
  3. Step 3: Cross multiply
    5,043.64x = 6,959.78 × 2,805.16
  4. Step 4: Simplify right side
    5,043.64x = 19,523,296.46
  5. Step 5: Solve for x
    x = 19,523,296.46/5,043.64
  6. Step 6: Final answer
    x = 3,870.87

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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.