Home / 9,202.60-12,699.78-5,223.52

Finding the Fourth Proportional to 9,202.60, 12,699.78 and 5,223.52

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Solution

The fourth proportional to 9,202.60, 12,699.78 and 5,223.52 is: 7,208.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,202.60 : 12,699.78 = 5,223.52 : x
  2. Step 2: Convert to fraction form
    9,202.60/12,699.78 = 5,223.52/x
  3. Step 3: Cross multiply
    9,202.60x = 12,699.78 × 5,223.52
  4. Step 4: Simplify right side
    9,202.60x = 66,337,554.83
  5. Step 5: Solve for x
    x = 66,337,554.83/9,202.60
  6. Step 6: Final answer
    x = 7,208.57

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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.