Home / 6,441.12-8,885.52-4,206.96

Finding the Fourth Proportional to 6,441.12, 8,885.52 and 4,206.96

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Solution

The fourth proportional to 6,441.12, 8,885.52 and 4,206.96 is: 5,803.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,441.12 : 8,885.52 = 4,206.96 : x
  2. Step 2: Convert to fraction form
    6,441.12/8,885.52 = 4,206.96/x
  3. Step 3: Cross multiply
    6,441.12x = 8,885.52 × 4,206.96
  4. Step 4: Simplify right side
    6,441.12x = 37,381,027.22
  5. Step 5: Solve for x
    x = 37,381,027.22/6,441.12
  6. Step 6: Final answer
    x = 5,803.50

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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.