Home / 8,408.16-12,617.64-5,637.96

Finding the Fourth Proportional to 8,408.16, 12,617.64 and 5,637.96

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Solution

The fourth proportional to 8,408.16, 12,617.64 and 5,637.96 is: 8,460.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,408.16 : 12,617.64 = 5,637.96 : x
  2. Step 2: Convert to fraction form
    8,408.16/12,617.64 = 5,637.96/x
  3. Step 3: Cross multiply
    8,408.16x = 12,617.64 × 5,637.96
  4. Step 4: Simplify right side
    8,408.16x = 71,137,749.61
  5. Step 5: Solve for x
    x = 71,137,749.61/8,408.16
  6. Step 6: Final answer
    x = 8,460.56

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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.