Home / 6,931.36-10,400.53-2,774.31

Finding the Fourth Proportional to 6,931.36, 10,400.53 and 2,774.31

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Solution

The fourth proportional to 6,931.36, 10,400.53 and 2,774.31 is: 4,162.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,931.36 : 10,400.53 = 2,774.31 : x
  2. Step 2: Convert to fraction form
    6,931.36/10,400.53 = 2,774.31/x
  3. Step 3: Cross multiply
    6,931.36x = 10,400.53 × 2,774.31
  4. Step 4: Simplify right side
    6,931.36x = 28,854,294.38
  5. Step 5: Solve for x
    x = 28,854,294.38/6,931.36
  6. Step 6: Final answer
    x = 4,162.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.