Home / 4,769.90-7,155.66-1,482.20

Finding the Fourth Proportional to 4,769.90, 7,155.66 and 1,482.20

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Solution

The fourth proportional to 4,769.90, 7,155.66 and 1,482.20 is: 2,223.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,769.90 : 7,155.66 = 1,482.20 : x
  2. Step 2: Convert to fraction form
    4,769.90/7,155.66 = 1,482.20/x
  3. Step 3: Cross multiply
    4,769.90x = 7,155.66 × 1,482.20
  4. Step 4: Simplify right side
    4,769.90x = 10,606,119.25
  5. Step 5: Solve for x
    x = 10,606,119.25/4,769.90
  6. Step 6: Final answer
    x = 2,223.55

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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.