Home / 6,389.70-9,576.42-2,875.93

Finding the Fourth Proportional to 6,389.70, 9,576.42 and 2,875.93

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Solution

The fourth proportional to 6,389.70, 9,576.42 and 2,875.93 is: 4,310.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,389.70 : 9,576.42 = 2,875.93 : x
  2. Step 2: Convert to fraction form
    6,389.70/9,576.42 = 2,875.93/x
  3. Step 3: Cross multiply
    6,389.70x = 9,576.42 × 2,875.93
  4. Step 4: Simplify right side
    6,389.70x = 27,541,113.57
  5. Step 5: Solve for x
    x = 27,541,113.57/6,389.70
  6. Step 6: Final answer
    x = 4,310.24

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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.