Home / 5,603.32-8,408.76-4,219.84

Finding the Fourth Proportional to 5,603.32, 8,408.76 and 4,219.84

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Solution

The fourth proportional to 5,603.32, 8,408.76 and 4,219.84 is: 6,332.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,603.32 : 8,408.76 = 4,219.84 : x
  2. Step 2: Convert to fraction form
    5,603.32/8,408.76 = 4,219.84/x
  3. Step 3: Cross multiply
    5,603.32x = 8,408.76 × 4,219.84
  4. Step 4: Simplify right side
    5,603.32x = 35,483,621.80
  5. Step 5: Solve for x
    x = 35,483,621.80/5,603.32
  6. Step 6: Final answer
    x = 6,332.61

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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.