Home / 6,916.88-10,373.74-1,986.48

Finding the Fourth Proportional to 6,916.88, 10,373.74 and 1,986.48

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Solution

The fourth proportional to 6,916.88, 10,373.74 and 1,986.48 is: 2,979.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,916.88 : 10,373.74 = 1,986.48 : x
  2. Step 2: Convert to fraction form
    6,916.88/10,373.74 = 1,986.48/x
  3. Step 3: Cross multiply
    6,916.88x = 10,373.74 × 1,986.48
  4. Step 4: Simplify right side
    6,916.88x = 20,607,227.04
  5. Step 5: Solve for x
    x = 20,607,227.04/6,916.88
  6. Step 6: Final answer
    x = 2,979.27

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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.