Home / 4,909.20-7,363.80-1,446.45

Finding the Fourth Proportional to 4,909.20, 7,363.80 and 1,446.45

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Solution

The fourth proportional to 4,909.20, 7,363.80 and 1,446.45 is: 2,169.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,909.20 : 7,363.80 = 1,446.45 : x
  2. Step 2: Convert to fraction form
    4,909.20/7,363.80 = 1,446.45/x
  3. Step 3: Cross multiply
    4,909.20x = 7,363.80 × 1,446.45
  4. Step 4: Simplify right side
    4,909.20x = 10,651,368.51
  5. Step 5: Solve for x
    x = 10,651,368.51/4,909.20
  6. Step 6: Final answer
    x = 2,169.68

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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.