Home / 5,015.08-6,920.76-2,777.05

Finding the Fourth Proportional to 5,015.08, 6,920.76 and 2,777.05

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Solution

The fourth proportional to 5,015.08, 6,920.76 and 2,777.05 is: 3,832.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,015.08 : 6,920.76 = 2,777.05 : x
  2. Step 2: Convert to fraction form
    5,015.08/6,920.76 = 2,777.05/x
  3. Step 3: Cross multiply
    5,015.08x = 6,920.76 × 2,777.05
  4. Step 4: Simplify right side
    5,015.08x = 19,219,315.62
  5. Step 5: Solve for x
    x = 19,219,315.62/5,015.08
  6. Step 6: Final answer
    x = 3,832.30

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Half scale
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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.