Home / 4,711.19-7,066.78-1,939.37

Finding the Fourth Proportional to 4,711.19, 7,066.78 and 1,939.37

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Solution

The fourth proportional to 4,711.19, 7,066.78 and 1,939.37 is: 2,909.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,711.19 : 7,066.78 = 1,939.37 : x
  2. Step 2: Convert to fraction form
    4,711.19/7,066.78 = 1,939.37/x
  3. Step 3: Cross multiply
    4,711.19x = 7,066.78 × 1,939.37
  4. Step 4: Simplify right side
    4,711.19x = 13,705,101.13
  5. Step 5: Solve for x
    x = 13,705,101.13/4,711.19
  6. Step 6: Final answer
    x = 2,909.05

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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.