Home / 6,343.77-9,515.07-1,960.79

Finding the Fourth Proportional to 6,343.77, 9,515.07 and 1,960.79

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Solution

The fourth proportional to 6,343.77, 9,515.07 and 1,960.79 is: 2,941.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,343.77 : 9,515.07 = 1,960.79 : x
  2. Step 2: Convert to fraction form
    6,343.77/9,515.07 = 1,960.79/x
  3. Step 3: Cross multiply
    6,343.77x = 9,515.07 × 1,960.79
  4. Step 4: Simplify right side
    6,343.77x = 18,657,077.89
  5. Step 5: Solve for x
    x = 18,657,077.89/6,343.77
  6. Step 6: Final answer
    x = 2,941.01

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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.