Home / 9,290.70-12,821.13-5,098.95

Finding the Fourth Proportional to 9,290.70, 12,821.13 and 5,098.95

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Solution

The fourth proportional to 9,290.70, 12,821.13 and 5,098.95 is: 7,036.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,290.70 : 12,821.13 = 5,098.95 : x
  2. Step 2: Convert to fraction form
    9,290.70/12,821.13 = 5,098.95/x
  3. Step 3: Cross multiply
    9,290.70x = 12,821.13 × 5,098.95
  4. Step 4: Simplify right side
    9,290.70x = 65,374,300.81
  5. Step 5: Solve for x
    x = 65,374,300.81/9,290.70
  6. Step 6: Final answer
    x = 7,036.53

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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.