Home / 8,408.22-11,603.43-4,870.14

Finding the Fourth Proportional to 8,408.22, 11,603.43 and 4,870.14

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Solution

The fourth proportional to 8,408.22, 11,603.43 and 4,870.14 is: 6,720.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,408.22 : 11,603.43 = 4,870.14 : x
  2. Step 2: Convert to fraction form
    8,408.22/11,603.43 = 4,870.14/x
  3. Step 3: Cross multiply
    8,408.22x = 11,603.43 × 4,870.14
  4. Step 4: Simplify right side
    8,408.22x = 56,510,328.58
  5. Step 5: Solve for x
    x = 56,510,328.58/8,408.22
  6. Step 6: Final answer
    x = 6,720.84

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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.