Home / 7,290.24-10,937.34-2,910.80

Finding the Fourth Proportional to 7,290.24, 10,937.34 and 2,910.80

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Solution

The fourth proportional to 7,290.24, 10,937.34 and 2,910.80 is: 4,366.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,290.24 : 10,937.34 = 2,910.80 : x
  2. Step 2: Convert to fraction form
    7,290.24/10,937.34 = 2,910.80/x
  3. Step 3: Cross multiply
    7,290.24x = 10,937.34 × 2,910.80
  4. Step 4: Simplify right side
    7,290.24x = 31,836,409.27
  5. Step 5: Solve for x
    x = 31,836,409.27/7,290.24
  6. Step 6: Final answer
    x = 4,366.99

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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.