Home / 7,328.95-10,989.56-3,376.76

Finding the Fourth Proportional to 7,328.95, 10,989.56 and 3,376.76

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Solution

The fourth proportional to 7,328.95, 10,989.56 and 3,376.76 is: 5,063.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,328.95 : 10,989.56 = 3,376.76 : x
  2. Step 2: Convert to fraction form
    7,328.95/10,989.56 = 3,376.76/x
  3. Step 3: Cross multiply
    7,328.95x = 10,989.56 × 3,376.76
  4. Step 4: Simplify right side
    7,328.95x = 37,109,102.94
  5. Step 5: Solve for x
    x = 37,109,102.94/7,328.95
  6. Step 6: Final answer
    x = 5,063.36

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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.