Home / 9,317.61-13,985.19-3,400.21

Finding the Fourth Proportional to 9,317.61, 13,985.19 and 3,400.21

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Solution

The fourth proportional to 9,317.61, 13,985.19 and 3,400.21 is: 5,103.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,317.61 : 13,985.19 = 3,400.21 : x
  2. Step 2: Convert to fraction form
    9,317.61/13,985.19 = 3,400.21/x
  3. Step 3: Cross multiply
    9,317.61x = 13,985.19 × 3,400.21
  4. Step 4: Simplify right side
    9,317.61x = 47,552,582.89
  5. Step 5: Solve for x
    x = 47,552,582.89/9,317.61
  6. Step 6: Final answer
    x = 5,103.52

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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.