Home / 7,561.80-10,440.36-5,790.24

Finding the Fourth Proportional to 7,561.80, 10,440.36 and 5,790.24

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Solution

The fourth proportional to 7,561.80, 10,440.36 and 5,790.24 is: 7,994.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,561.80 : 10,440.36 = 5,790.24 : x
  2. Step 2: Convert to fraction form
    7,561.80/10,440.36 = 5,790.24/x
  3. Step 3: Cross multiply
    7,561.80x = 10,440.36 × 5,790.24
  4. Step 4: Simplify right side
    7,561.80x = 60,452,190.09
  5. Step 5: Solve for x
    x = 60,452,190.09/7,561.80
  6. Step 6: Final answer
    x = 7,994.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.