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Finding the Fourth Proportional to 6,568.71, 9,851.58 and 1,888.71

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Solution

The fourth proportional to 6,568.71, 9,851.58 and 1,888.71 is: 2,832.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,568.71 : 9,851.58 = 1,888.71 : x
  2. Step 2: Convert to fraction form
    6,568.71/9,851.58 = 1,888.71/x
  3. Step 3: Cross multiply
    6,568.71x = 9,851.58 × 1,888.71
  4. Step 4: Simplify right side
    6,568.71x = 18,606,777.66
  5. Step 5: Solve for x
    x = 18,606,777.66/6,568.71
  6. Step 6: Final answer
    x = 2,832.64

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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.