Home / 6,408.80-8,846.56-4,054.40

Finding the Fourth Proportional to 6,408.80, 8,846.56 and 4,054.40

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Solution

The fourth proportional to 6,408.80, 8,846.56 and 4,054.40 is: 5,596.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,408.80 : 8,846.56 = 4,054.40 : x
  2. Step 2: Convert to fraction form
    6,408.80/8,846.56 = 4,054.40/x
  3. Step 3: Cross multiply
    6,408.80x = 8,846.56 × 4,054.40
  4. Step 4: Simplify right side
    6,408.80x = 35,867,492.86
  5. Step 5: Solve for x
    x = 35,867,492.86/6,408.80
  6. Step 6: Final answer
    x = 5,596.60

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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.