Home / 8,417.35-12,626.54-3,487.37

Finding the Fourth Proportional to 8,417.35, 12,626.54 and 3,487.37

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Solution

The fourth proportional to 8,417.35, 12,626.54 and 3,487.37 is: 5,231.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,417.35 : 12,626.54 = 3,487.37 : x
  2. Step 2: Convert to fraction form
    8,417.35/12,626.54 = 3,487.37/x
  3. Step 3: Cross multiply
    8,417.35x = 12,626.54 × 3,487.37
  4. Step 4: Simplify right side
    8,417.35x = 44,033,399.36
  5. Step 5: Solve for x
    x = 44,033,399.36/8,417.35
  6. Step 6: Final answer
    x = 5,231.27

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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.