Home / 4,387.13-6,576.96-1,920.11

Finding the Fourth Proportional to 4,387.13, 6,576.96 and 1,920.11

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Solution

The fourth proportional to 4,387.13, 6,576.96 and 1,920.11 is: 2,878.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,387.13 : 6,576.96 = 1,920.11 : x
  2. Step 2: Convert to fraction form
    4,387.13/6,576.96 = 1,920.11/x
  3. Step 3: Cross multiply
    4,387.13x = 6,576.96 × 1,920.11
  4. Step 4: Simplify right side
    4,387.13x = 12,628,460.98
  5. Step 5: Solve for x
    x = 12,628,460.98/4,387.13
  6. Step 6: Final answer
    x = 2,878.53

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1.5x scale

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.