Home / 7,003.19-9,664.33-3,859.35

Finding the Fourth Proportional to 7,003.19, 9,664.33 and 3,859.35

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Solution

The fourth proportional to 7,003.19, 9,664.33 and 3,859.35 is: 5,325.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,003.19 : 9,664.33 = 3,859.35 : x
  2. Step 2: Convert to fraction form
    7,003.19/9,664.33 = 3,859.35/x
  3. Step 3: Cross multiply
    7,003.19x = 9,664.33 × 3,859.35
  4. Step 4: Simplify right side
    7,003.19x = 37,298,031.99
  5. Step 5: Solve for x
    x = 37,298,031.99/7,003.19
  6. Step 6: Final answer
    x = 5,325.86

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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.