Home / 8,724.96-12,040.56-4,947.84

Finding the Fourth Proportional to 8,724.96, 12,040.56 and 4,947.84

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Solution

The fourth proportional to 8,724.96, 12,040.56 and 4,947.84 is: 6,828.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,724.96 : 12,040.56 = 4,947.84 : x
  2. Step 2: Convert to fraction form
    8,724.96/12,040.56 = 4,947.84/x
  3. Step 3: Cross multiply
    8,724.96x = 12,040.56 × 4,947.84
  4. Step 4: Simplify right side
    8,724.96x = 59,574,764.39
  5. Step 5: Solve for x
    x = 59,574,764.39/8,724.96
  6. Step 6: Final answer
    x = 6,828.08

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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.