Home / 7,527.78-11,287.55-5,977.74

Finding the Fourth Proportional to 7,527.78, 11,287.55 and 5,977.74

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Solution

The fourth proportional to 7,527.78, 11,287.55 and 5,977.74 is: 8,963.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,527.78 : 11,287.55 = 5,977.74 : x
  2. Step 2: Convert to fraction form
    7,527.78/11,287.55 = 5,977.74/x
  3. Step 3: Cross multiply
    7,527.78x = 11,287.55 × 5,977.74
  4. Step 4: Simplify right side
    7,527.78x = 67,474,009.25
  5. Step 5: Solve for x
    x = 67,474,009.25/7,527.78
  6. Step 6: Final answer
    x = 8,963.33

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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.