Home / 7,827.14-10,801.73-4,290.35

Finding the Fourth Proportional to 7,827.14, 10,801.73 and 4,290.35

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Solution

The fourth proportional to 7,827.14, 10,801.73 and 4,290.35 is: 5,920.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,827.14 : 10,801.73 = 4,290.35 : x
  2. Step 2: Convert to fraction form
    7,827.14/10,801.73 = 4,290.35/x
  3. Step 3: Cross multiply
    7,827.14x = 10,801.73 × 4,290.35
  4. Step 4: Simplify right side
    7,827.14x = 46,343,202.31
  5. Step 5: Solve for x
    x = 46,343,202.31/7,827.14
  6. Step 6: Final answer
    x = 5,920.83

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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.