Home / 5,049.05-6,967.51-2,810.86

Finding the Fourth Proportional to 5,049.05, 6,967.51 and 2,810.86

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Solution

The fourth proportional to 5,049.05, 6,967.51 and 2,810.86 is: 3,878.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,049.05 : 6,967.51 = 2,810.86 : x
  2. Step 2: Convert to fraction form
    5,049.05/6,967.51 = 2,810.86/x
  3. Step 3: Cross multiply
    5,049.05x = 6,967.51 × 2,810.86
  4. Step 4: Simplify right side
    5,049.05x = 19,584,670.71
  5. Step 5: Solve for x
    x = 19,584,670.71/5,049.05
  6. Step 6: Final answer
    x = 3,878.89

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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.