Home / 9,859.20-14,783.76-2,932.80

Finding the Fourth Proportional to 9,859.20, 14,783.76 and 2,932.80

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Solution

The fourth proportional to 9,859.20, 14,783.76 and 2,932.80 is: 4,397.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,859.20 : 14,783.76 = 2,932.80 : x
  2. Step 2: Convert to fraction form
    9,859.20/14,783.76 = 2,932.80/x
  3. Step 3: Cross multiply
    9,859.20x = 14,783.76 × 2,932.80
  4. Step 4: Simplify right side
    9,859.20x = 43,357,811.33
  5. Step 5: Solve for x
    x = 43,357,811.33/9,859.20
  6. Step 6: Final answer
    x = 4,397.70

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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.