Home / 6,811.74-10,218.18-2,916.18

Finding the Fourth Proportional to 6,811.74, 10,218.18 and 2,916.18

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Solution

The fourth proportional to 6,811.74, 10,218.18 and 2,916.18 is: 4,374.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,811.74 : 10,218.18 = 2,916.18 : x
  2. Step 2: Convert to fraction form
    6,811.74/10,218.18 = 2,916.18/x
  3. Step 3: Cross multiply
    6,811.74x = 10,218.18 × 2,916.18
  4. Step 4: Simplify right side
    6,811.74x = 29,798,052.15
  5. Step 5: Solve for x
    x = 29,798,052.15/6,811.74
  6. Step 6: Final answer
    x = 4,374.51

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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.