Home / 7,602.18-11,395.38-2,920.92

Finding the Fourth Proportional to 7,602.18, 11,395.38 and 2,920.92

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Solution

The fourth proportional to 7,602.18, 11,395.38 and 2,920.92 is: 4,378.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,602.18 : 11,395.38 = 2,920.92 : x
  2. Step 2: Convert to fraction form
    7,602.18/11,395.38 = 2,920.92/x
  3. Step 3: Cross multiply
    7,602.18x = 11,395.38 × 2,920.92
  4. Step 4: Simplify right side
    7,602.18x = 33,284,993.35
  5. Step 5: Solve for x
    x = 33,284,993.35/7,602.18
  6. Step 6: Final answer
    x = 4,378.35

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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.