Home / 7,827.02-10,801.29-4,290.45

Finding the Fourth Proportional to 7,827.02, 10,801.29 and 4,290.45

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Solution

The fourth proportional to 7,827.02, 10,801.29 and 4,290.45 is: 5,920.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,827.02 : 10,801.29 = 4,290.45 : x
  2. Step 2: Convert to fraction form
    7,827.02/10,801.29 = 4,290.45/x
  3. Step 3: Cross multiply
    7,827.02x = 10,801.29 × 4,290.45
  4. Step 4: Simplify right side
    7,827.02x = 46,342,394.68
  5. Step 5: Solve for x
    x = 46,342,394.68/7,827.02
  6. Step 6: Final answer
    x = 5,920.83

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.