Home / 4,278.84-5,886.30-3,491.16

Finding the Fourth Proportional to 4,278.84, 5,886.30 and 3,491.16

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Solution

The fourth proportional to 4,278.84, 5,886.30 and 3,491.16 is: 4,802.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,278.84 : 5,886.30 = 3,491.16 : x
  2. Step 2: Convert to fraction form
    4,278.84/5,886.30 = 3,491.16/x
  3. Step 3: Cross multiply
    4,278.84x = 5,886.30 × 3,491.16
  4. Step 4: Simplify right side
    4,278.84x = 20,550,015.11
  5. Step 5: Solve for x
    x = 20,550,015.11/4,278.84
  6. Step 6: Final answer
    x = 4,802.71

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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.