Home / 9,945.75-14,915.44-3,280.76

Finding the Fourth Proportional to 9,945.75, 14,915.44 and 3,280.76

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Solution

The fourth proportional to 9,945.75, 14,915.44 and 3,280.76 is: 4,920.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,945.75 : 14,915.44 = 3,280.76 : x
  2. Step 2: Convert to fraction form
    9,945.75/14,915.44 = 3,280.76/x
  3. Step 3: Cross multiply
    9,945.75x = 14,915.44 × 3,280.76
  4. Step 4: Simplify right side
    9,945.75x = 48,933,904.36
  5. Step 5: Solve for x
    x = 48,933,904.36/9,945.75
  6. Step 6: Final answer
    x = 4,920.08

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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.