Home / 9,290.43-12,820.64-5,098.59

Finding the Fourth Proportional to 9,290.43, 12,820.64 and 5,098.59

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Solution

The fourth proportional to 9,290.43, 12,820.64 and 5,098.59 is: 7,035.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,290.43 : 12,820.64 = 5,098.59 : x
  2. Step 2: Convert to fraction form
    9,290.43/12,820.64 = 5,098.59/x
  3. Step 3: Cross multiply
    9,290.43x = 12,820.64 × 5,098.59
  4. Step 4: Simplify right side
    9,290.43x = 65,367,161.40
  5. Step 5: Solve for x
    x = 65,367,161.40/9,290.43
  6. Step 6: Final answer
    x = 7,035.97

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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.