Home / 6,946.68-10,420.02-2,561.88

Finding the Fourth Proportional to 6,946.68, 10,420.02 and 2,561.88

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Solution

The fourth proportional to 6,946.68, 10,420.02 and 2,561.88 is: 3,842.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,946.68 : 10,420.02 = 2,561.88 : x
  2. Step 2: Convert to fraction form
    6,946.68/10,420.02 = 2,561.88/x
  3. Step 3: Cross multiply
    6,946.68x = 10,420.02 × 2,561.88
  4. Step 4: Simplify right side
    6,946.68x = 26,694,840.84
  5. Step 5: Solve for x
    x = 26,694,840.84/6,946.68
  6. Step 6: Final answer
    x = 3,842.82

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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.