Home / 5,151.51-7,737.81-3,399.03

Finding the Fourth Proportional to 5,151.51, 7,737.81 and 3,399.03

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Solution

The fourth proportional to 5,151.51, 7,737.81 and 3,399.03 is: 5,105.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,151.51 : 7,737.81 = 3,399.03 : x
  2. Step 2: Convert to fraction form
    5,151.51/7,737.81 = 3,399.03/x
  3. Step 3: Cross multiply
    5,151.51x = 7,737.81 × 3,399.03
  4. Step 4: Simplify right side
    5,151.51x = 26,301,048.32
  5. Step 5: Solve for x
    x = 26,301,048.32/5,151.51
  6. Step 6: Final answer
    x = 5,105.50

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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.