Home / 6,212.44-8,572.78-3,417.40

Finding the Fourth Proportional to 6,212.44, 8,572.78 and 3,417.40

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Solution

The fourth proportional to 6,212.44, 8,572.78 and 3,417.40 is: 4,715.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,212.44 : 8,572.78 = 3,417.40 : x
  2. Step 2: Convert to fraction form
    6,212.44/8,572.78 = 3,417.40/x
  3. Step 3: Cross multiply
    6,212.44x = 8,572.78 × 3,417.40
  4. Step 4: Simplify right side
    6,212.44x = 29,296,618.37
  5. Step 5: Solve for x
    x = 29,296,618.37/6,212.44
  6. Step 6: Final answer
    x = 4,715.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.