Home / 9,292.05-12,821.24-5,312.33

Finding the Fourth Proportional to 9,292.05, 12,821.24 and 5,312.33

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Solution

The fourth proportional to 9,292.05, 12,821.24 and 5,312.33 is: 7,329.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,292.05 : 12,821.24 = 5,312.33 : x
  2. Step 2: Convert to fraction form
    9,292.05/12,821.24 = 5,312.33/x
  3. Step 3: Cross multiply
    9,292.05x = 12,821.24 × 5,312.33
  4. Step 4: Simplify right side
    9,292.05x = 68,110,567.22
  5. Step 5: Solve for x
    x = 68,110,567.22/9,292.05
  6. Step 6: Final answer
    x = 7,329.98

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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.