Home / 9,864.28-13,608.61-6,460.31

Finding the Fourth Proportional to 9,864.28, 13,608.61 and 6,460.31

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Solution

The fourth proportional to 9,864.28, 13,608.61 and 6,460.31 is: 8,912.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,864.28 : 13,608.61 = 6,460.31 : x
  2. Step 2: Convert to fraction form
    9,864.28/13,608.61 = 6,460.31/x
  3. Step 3: Cross multiply
    9,864.28x = 13,608.61 × 6,460.31
  4. Step 4: Simplify right side
    9,864.28x = 87,915,780.59
  5. Step 5: Solve for x
    x = 87,915,780.59/9,864.28
  6. Step 6: Final answer
    x = 8,912.54

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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.