Home / 4,886.61-7,329.34-1,376.88

Finding the Fourth Proportional to 4,886.61, 7,329.34 and 1,376.88

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Solution

The fourth proportional to 4,886.61, 7,329.34 and 1,376.88 is: 2,065.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,886.61 : 7,329.34 = 1,376.88 : x
  2. Step 2: Convert to fraction form
    4,886.61/7,329.34 = 1,376.88/x
  3. Step 3: Cross multiply
    4,886.61x = 7,329.34 × 1,376.88
  4. Step 4: Simplify right side
    4,886.61x = 10,091,629.38
  5. Step 5: Solve for x
    x = 10,091,629.38/4,886.61
  6. Step 6: Final answer
    x = 2,065.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.