Home / 7,639.14-10,541.43-4,281.87

Finding the Fourth Proportional to 7,639.14, 10,541.43 and 4,281.87

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Solution

The fourth proportional to 7,639.14, 10,541.43 and 4,281.87 is: 5,908.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,639.14 : 10,541.43 = 4,281.87 : x
  2. Step 2: Convert to fraction form
    7,639.14/10,541.43 = 4,281.87/x
  3. Step 3: Cross multiply
    7,639.14x = 10,541.43 × 4,281.87
  4. Step 4: Simplify right side
    7,639.14x = 45,137,032.87
  5. Step 5: Solve for x
    x = 45,137,032.87/7,639.14
  6. Step 6: Final answer
    x = 5,908.65

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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.