Home / 6,960.02-10,440.47-2,278.77

Finding the Fourth Proportional to 6,960.02, 10,440.47 and 2,278.77

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Solution

The fourth proportional to 6,960.02, 10,440.47 and 2,278.77 is: 3,418.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,960.02 : 10,440.47 = 2,278.77 : x
  2. Step 2: Convert to fraction form
    6,960.02/10,440.47 = 2,278.77/x
  3. Step 3: Cross multiply
    6,960.02x = 10,440.47 × 2,278.77
  4. Step 4: Simplify right side
    6,960.02x = 23,791,418.43
  5. Step 5: Solve for x
    x = 23,791,418.43/6,960.02
  6. Step 6: Final answer
    x = 3,418.30

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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.