Home / 7,827.17-10,801.49-4,290.37

Finding the Fourth Proportional to 7,827.17, 10,801.49 and 4,290.37

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Solution

The fourth proportional to 7,827.17, 10,801.49 and 4,290.37 is: 5,920.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,827.17 : 10,801.49 = 4,290.37 : x
  2. Step 2: Convert to fraction form
    7,827.17/10,801.49 = 4,290.37/x
  3. Step 3: Cross multiply
    7,827.17x = 10,801.49 × 4,290.37
  4. Step 4: Simplify right side
    7,827.17x = 46,342,340.20
  5. Step 5: Solve for x
    x = 46,342,340.20/7,827.17
  6. Step 6: Final answer
    x = 5,920.71

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1.5x scale

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.