Home / 6,141.08-9,211.30-1,981.01

Finding the Fourth Proportional to 6,141.08, 9,211.30 and 1,981.01

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Solution

The fourth proportional to 6,141.08, 9,211.30 and 1,981.01 is: 2,971.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,141.08 : 9,211.30 = 1,981.01 : x
  2. Step 2: Convert to fraction form
    6,141.08/9,211.30 = 1,981.01/x
  3. Step 3: Cross multiply
    6,141.08x = 9,211.30 × 1,981.01
  4. Step 4: Simplify right side
    6,141.08x = 18,247,695.49
  5. Step 5: Solve for x
    x = 18,247,695.49/6,141.08
  6. Step 6: Final answer
    x = 2,971.41

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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.