Home / 9,426.80-14,140.20-4,809.20

Finding the Fourth Proportional to 9,426.80, 14,140.20 and 4,809.20

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Solution

The fourth proportional to 9,426.80, 14,140.20 and 4,809.20 is: 7,213.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,426.80 : 14,140.20 = 4,809.20 : x
  2. Step 2: Convert to fraction form
    9,426.80/14,140.20 = 4,809.20/x
  3. Step 3: Cross multiply
    9,426.80x = 14,140.20 × 4,809.20
  4. Step 4: Simplify right side
    9,426.80x = 68,003,049.84
  5. Step 5: Solve for x
    x = 68,003,049.84/9,426.80
  6. Step 6: Final answer
    x = 7,213.80

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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.