Home / 6,916.30-10,374.46-1,984.79

Finding the Fourth Proportional to 6,916.30, 10,374.46 and 1,984.79

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Solution

The fourth proportional to 6,916.30, 10,374.46 and 1,984.79 is: 2,977.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,916.30 : 10,374.46 = 1,984.79 : x
  2. Step 2: Convert to fraction form
    6,916.30/10,374.46 = 1,984.79/x
  3. Step 3: Cross multiply
    6,916.30x = 10,374.46 × 1,984.79
  4. Step 4: Simplify right side
    6,916.30x = 20,591,124.46
  5. Step 5: Solve for x
    x = 20,591,124.46/6,916.30
  6. Step 6: Final answer
    x = 2,977.19

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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.