Home / 9,320.22-13,985.91-3,480.93

Finding the Fourth Proportional to 9,320.22, 13,985.91 and 3,480.93

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Solution

The fourth proportional to 9,320.22, 13,985.91 and 3,480.93 is: 5,223.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,320.22 : 13,985.91 = 3,480.93 : x
  2. Step 2: Convert to fraction form
    9,320.22/13,985.91 = 3,480.93/x
  3. Step 3: Cross multiply
    9,320.22x = 13,985.91 × 3,480.93
  4. Step 4: Simplify right side
    9,320.22x = 48,683,973.70
  5. Step 5: Solve for x
    x = 48,683,973.70/9,320.22
  6. Step 6: Final answer
    x = 5,223.48

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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.