Home / 7,901.08-11,850.40-2,705.76

Finding the Fourth Proportional to 7,901.08, 11,850.40 and 2,705.76

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Solution

The fourth proportional to 7,901.08, 11,850.40 and 2,705.76 is: 4,058.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,901.08 : 11,850.40 = 2,705.76 : x
  2. Step 2: Convert to fraction form
    7,901.08/11,850.40 = 2,705.76/x
  3. Step 3: Cross multiply
    7,901.08x = 11,850.40 × 2,705.76
  4. Step 4: Simplify right side
    7,901.08x = 32,064,338.30
  5. Step 5: Solve for x
    x = 32,064,338.30/7,901.08
  6. Step 6: Final answer
    x = 4,058.22

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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.