Home / 9,777.32-13,489.53-5,527.97

Finding the Fourth Proportional to 9,777.32, 13,489.53 and 5,527.97

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Solution

The fourth proportional to 9,777.32, 13,489.53 and 5,527.97 is: 7,626.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,777.32 : 13,489.53 = 5,527.97 : x
  2. Step 2: Convert to fraction form
    9,777.32/13,489.53 = 5,527.97/x
  3. Step 3: Cross multiply
    9,777.32x = 13,489.53 × 5,527.97
  4. Step 4: Simplify right side
    9,777.32x = 74,569,717.15
  5. Step 5: Solve for x
    x = 74,569,717.15/9,777.32
  6. Step 6: Final answer
    x = 7,626.81

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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.