Home / 5,669.40-7,822.57-3,430.83

Finding the Fourth Proportional to 5,669.40, 7,822.57 and 3,430.83

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Solution

The fourth proportional to 5,669.40, 7,822.57 and 3,430.83 is: 4,733.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,669.40 : 7,822.57 = 3,430.83 : x
  2. Step 2: Convert to fraction form
    5,669.40/7,822.57 = 3,430.83/x
  3. Step 3: Cross multiply
    5,669.40x = 7,822.57 × 3,430.83
  4. Step 4: Simplify right side
    5,669.40x = 26,837,890.68
  5. Step 5: Solve for x
    x = 26,837,890.68/5,669.40
  6. Step 6: Final answer
    x = 4,733.81

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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.