Home / 7,708.05-11,562.48-4,420.26

Finding the Fourth Proportional to 7,708.05, 11,562.48 and 4,420.26

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Solution

The fourth proportional to 7,708.05, 11,562.48 and 4,420.26 is: 6,630.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,708.05 : 11,562.48 = 4,420.26 : x
  2. Step 2: Convert to fraction form
    7,708.05/11,562.48 = 4,420.26/x
  3. Step 3: Cross multiply
    7,708.05x = 11,562.48 × 4,420.26
  4. Step 4: Simplify right side
    7,708.05x = 51,109,167.84
  5. Step 5: Solve for x
    x = 51,109,167.84/7,708.05
  6. Step 6: Final answer
    x = 6,630.62

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1.5x scale

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.