Home / 6,840.70-10,267.56-3,556.18

Finding the Fourth Proportional to 6,840.70, 10,267.56 and 3,556.18

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Solution

The fourth proportional to 6,840.70, 10,267.56 and 3,556.18 is: 5,337.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,840.70 : 10,267.56 = 3,556.18 : x
  2. Step 2: Convert to fraction form
    6,840.70/10,267.56 = 3,556.18/x
  3. Step 3: Cross multiply
    6,840.70x = 10,267.56 × 3,556.18
  4. Step 4: Simplify right side
    6,840.70x = 36,513,291.52
  5. Step 5: Solve for x
    x = 36,513,291.52/6,840.70
  6. Step 6: Final answer
    x = 5,337.65

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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.