Home / 4,905.90-6,769.61-2,916.20

Finding the Fourth Proportional to 4,905.90, 6,769.61 and 2,916.20

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Solution

The fourth proportional to 4,905.90, 6,769.61 and 2,916.20 is: 4,024.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,905.90 : 6,769.61 = 2,916.20 : x
  2. Step 2: Convert to fraction form
    4,905.90/6,769.61 = 2,916.20/x
  3. Step 3: Cross multiply
    4,905.90x = 6,769.61 × 2,916.20
  4. Step 4: Simplify right side
    4,905.90x = 19,741,549.96
  5. Step 5: Solve for x
    x = 19,741,549.96/4,905.90
  6. Step 6: Final answer
    x = 4,024.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.