Home / 6,840.45-10,267.16-3,555.90

Finding the Fourth Proportional to 6,840.45, 10,267.16 and 3,555.90

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Solution

The fourth proportional to 6,840.45, 10,267.16 and 3,555.90 is: 5,337.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,840.45 : 10,267.16 = 3,555.90 : x
  2. Step 2: Convert to fraction form
    6,840.45/10,267.16 = 3,555.90/x
  3. Step 3: Cross multiply
    6,840.45x = 10,267.16 × 3,555.90
  4. Step 4: Simplify right side
    6,840.45x = 36,508,976.46
  5. Step 5: Solve for x
    x = 36,508,976.46/6,840.45
  6. Step 6: Final answer
    x = 5,337.22

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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.