Home / 5,440.24-7,451.29-5,121.08

Finding the Fourth Proportional to 5,440.24, 7,451.29 and 5,121.08

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Solution

The fourth proportional to 5,440.24, 7,451.29 and 5,121.08 is: 7,014.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440.24 : 7,451.29 = 5,121.08 : x
  2. Step 2: Convert to fraction form
    5,440.24/7,451.29 = 5,121.08/x
  3. Step 3: Cross multiply
    5,440.24x = 7,451.29 × 5,121.08
  4. Step 4: Simplify right side
    5,440.24x = 38,158,652.19
  5. Step 5: Solve for x
    x = 38,158,652.19/5,440.24
  6. Step 6: Final answer
    x = 7,014.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.