Home / 5,015.10-6,920.91-2,776.98

Finding the Fourth Proportional to 5,015.10, 6,920.91 and 2,776.98

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Solution

The fourth proportional to 5,015.10, 6,920.91 and 2,776.98 is: 3,832.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,015.10 : 6,920.91 = 2,776.98 : x
  2. Step 2: Convert to fraction form
    5,015.10/6,920.91 = 2,776.98/x
  3. Step 3: Cross multiply
    5,015.10x = 6,920.91 × 2,776.98
  4. Step 4: Simplify right side
    5,015.10x = 19,219,228.65
  5. Step 5: Solve for x
    x = 19,219,228.65/5,015.10
  6. Step 6: Final answer
    x = 3,832.27

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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.