Home / 4,902.30-6,765.75-2,807.10

Finding the Fourth Proportional to 4,902.30, 6,765.75 and 2,807.10

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Solution

The fourth proportional to 4,902.30, 6,765.75 and 2,807.10 is: 3,874.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,902.30 : 6,765.75 = 2,807.10 : x
  2. Step 2: Convert to fraction form
    4,902.30/6,765.75 = 2,807.10/x
  3. Step 3: Cross multiply
    4,902.30x = 6,765.75 × 2,807.10
  4. Step 4: Simplify right side
    4,902.30x = 18,992,136.83
  5. Step 5: Solve for x
    x = 18,992,136.83/4,902.30
  6. Step 6: Final answer
    x = 3,874.13

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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.