Home / 6,943.89-10,416.53-2,560.78

Finding the Fourth Proportional to 6,943.89, 10,416.53 and 2,560.78

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Solution

The fourth proportional to 6,943.89, 10,416.53 and 2,560.78 is: 3,841.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,943.89 : 10,416.53 = 2,560.78 : x
  2. Step 2: Convert to fraction form
    6,943.89/10,416.53 = 2,560.78/x
  3. Step 3: Cross multiply
    6,943.89x = 10,416.53 × 2,560.78
  4. Step 4: Simplify right side
    6,943.89x = 26,674,461.12
  5. Step 5: Solve for x
    x = 26,674,461.12/6,943.89
  6. Step 6: Final answer
    x = 3,841.43

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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.