Home / 7,826.61-11,728.93-4,318.25

Finding the Fourth Proportional to 7,826.61, 11,728.93 and 4,318.25

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Solution

The fourth proportional to 7,826.61, 11,728.93 and 4,318.25 is: 6,471.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,826.61 : 11,728.93 = 4,318.25 : x
  2. Step 2: Convert to fraction form
    7,826.61/11,728.93 = 4,318.25/x
  3. Step 3: Cross multiply
    7,826.61x = 11,728.93 × 4,318.25
  4. Step 4: Simplify right side
    7,826.61x = 50,648,451.97
  5. Step 5: Solve for x
    x = 50,648,451.97/7,826.61
  6. Step 6: Final answer
    x = 6,471.31

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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.