Home / 6,851.91-10,277.83-1,657.78

Finding the Fourth Proportional to 6,851.91, 10,277.83 and 1,657.78

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Solution

The fourth proportional to 6,851.91, 10,277.83 and 1,657.78 is: 2,486.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,851.91 : 10,277.83 = 1,657.78 : x
  2. Step 2: Convert to fraction form
    6,851.91/10,277.83 = 1,657.78/x
  3. Step 3: Cross multiply
    6,851.91x = 10,277.83 × 1,657.78
  4. Step 4: Simplify right side
    6,851.91x = 17,038,381.02
  5. Step 5: Solve for x
    x = 17,038,381.02/6,851.91
  6. Step 6: Final answer
    x = 2,486.66

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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.