Home / 5,576.31-8,364.87-1,878.66

Finding the Fourth Proportional to 5,576.31, 8,364.87 and 1,878.66

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Solution

The fourth proportional to 5,576.31, 8,364.87 and 1,878.66 is: 2,818.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,576.31 : 8,364.87 = 1,878.66 : x
  2. Step 2: Convert to fraction form
    5,576.31/8,364.87 = 1,878.66/x
  3. Step 3: Cross multiply
    5,576.31x = 8,364.87 × 1,878.66
  4. Step 4: Simplify right side
    5,576.31x = 15,714,746.67
  5. Step 5: Solve for x
    x = 15,714,746.67/5,576.31
  6. Step 6: Final answer
    x = 2,818.13

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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.