Home / 4,904.15-6,767.89-2,779.65

Finding the Fourth Proportional to 4,904.15, 6,767.89 and 2,779.65

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Solution

The fourth proportional to 4,904.15, 6,767.89 and 2,779.65 is: 3,836.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,904.15 : 6,767.89 = 2,779.65 : x
  2. Step 2: Convert to fraction form
    4,904.15/6,767.89 = 2,779.65/x
  3. Step 3: Cross multiply
    4,904.15x = 6,767.89 × 2,779.65
  4. Step 4: Simplify right side
    4,904.15x = 18,812,358.49
  5. Step 5: Solve for x
    x = 18,812,358.49/4,904.15
  6. Step 6: Final answer
    x = 3,836.01

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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.