Home / 7,827.13-10,801.44-4,290.36

Finding the Fourth Proportional to 7,827.13, 10,801.44 and 4,290.36

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Solution

The fourth proportional to 7,827.13, 10,801.44 and 4,290.36 is: 5,920.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,827.13 : 10,801.44 = 4,290.36 : x
  2. Step 2: Convert to fraction form
    7,827.13/10,801.44 = 4,290.36/x
  3. Step 3: Cross multiply
    7,827.13x = 10,801.44 × 4,290.36
  4. Step 4: Simplify right side
    7,827.13x = 46,342,044.67
  5. Step 5: Solve for x
    x = 46,342,044.67/7,827.13
  6. Step 6: Final answer
    x = 5,920.70

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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.