Home / 4,401.45-6,602.25-1,479.78

Finding the Fourth Proportional to 4,401.45, 6,602.25 and 1,479.78

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Solution

The fourth proportional to 4,401.45, 6,602.25 and 1,479.78 is: 2,219.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,401.45 : 6,602.25 = 1,479.78 : x
  2. Step 2: Convert to fraction form
    4,401.45/6,602.25 = 1,479.78/x
  3. Step 3: Cross multiply
    4,401.45x = 6,602.25 × 1,479.78
  4. Step 4: Simplify right side
    4,401.45x = 9,769,877.51
  5. Step 5: Solve for x
    x = 9,769,877.51/4,401.45
  6. Step 6: Final answer
    x = 2,219.70

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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.