Home / 8,353.26-12,518.96-3,417.12

Finding the Fourth Proportional to 8,353.26, 12,518.96 and 3,417.12

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Solution

The fourth proportional to 8,353.26, 12,518.96 and 3,417.12 is: 5,121.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,353.26 : 12,518.96 = 3,417.12 : x
  2. Step 2: Convert to fraction form
    8,353.26/12,518.96 = 3,417.12/x
  3. Step 3: Cross multiply
    8,353.26x = 12,518.96 × 3,417.12
  4. Step 4: Simplify right side
    8,353.26x = 42,778,771.51
  5. Step 5: Solve for x
    x = 42,778,771.51/8,353.26
  6. Step 6: Final answer
    x = 5,121.21

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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.