Home / 9,275.80-13,900.68-5,117.74

Finding the Fourth Proportional to 9,275.80, 13,900.68 and 5,117.74

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Solution

The fourth proportional to 9,275.80, 13,900.68 and 5,117.74 is: 7,669.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,275.80 : 13,900.68 = 5,117.74 : x
  2. Step 2: Convert to fraction form
    9,275.80/13,900.68 = 5,117.74/x
  3. Step 3: Cross multiply
    9,275.80x = 13,900.68 × 5,117.74
  4. Step 4: Simplify right side
    9,275.80x = 71,140,066.06
  5. Step 5: Solve for x
    x = 71,140,066.06/9,275.80
  6. Step 6: Final answer
    x = 7,669.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.