Home / 9,055.14-12,497.61-5,278.90

Finding the Fourth Proportional to 9,055.14, 12,497.61 and 5,278.90

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Solution

The fourth proportional to 9,055.14, 12,497.61 and 5,278.90 is: 7,285.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,055.14 : 12,497.61 = 5,278.90 : x
  2. Step 2: Convert to fraction form
    9,055.14/12,497.61 = 5,278.90/x
  3. Step 3: Cross multiply
    9,055.14x = 12,497.61 × 5,278.90
  4. Step 4: Simplify right side
    9,055.14x = 65,973,633.43
  5. Step 5: Solve for x
    x = 65,973,633.43/9,055.14
  6. Step 6: Final answer
    x = 7,285.77

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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.