Home / 7,200.24-10,803.15-2,520.77

Finding the Fourth Proportional to 7,200.24, 10,803.15 and 2,520.77

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Solution

The fourth proportional to 7,200.24, 10,803.15 and 2,520.77 is: 3,782.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,200.24 : 10,803.15 = 2,520.77 : x
  2. Step 2: Convert to fraction form
    7,200.24/10,803.15 = 2,520.77/x
  3. Step 3: Cross multiply
    7,200.24x = 10,803.15 × 2,520.77
  4. Step 4: Simplify right side
    7,200.24x = 27,232,256.09
  5. Step 5: Solve for x
    x = 27,232,256.09/7,200.24
  6. Step 6: Final answer
    x = 3,782.13

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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.