Home / 5,378.48-8,060.12-4,277.96

Finding the Fourth Proportional to 5,378.48, 8,060.12 and 4,277.96

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Solution

The fourth proportional to 5,378.48, 8,060.12 and 4,277.96 is: 6,410.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,378.48 : 8,060.12 = 4,277.96 : x
  2. Step 2: Convert to fraction form
    5,378.48/8,060.12 = 4,277.96/x
  3. Step 3: Cross multiply
    5,378.48x = 8,060.12 × 4,277.96
  4. Step 4: Simplify right side
    5,378.48x = 34,480,870.96
  5. Step 5: Solve for x
    x = 34,480,870.96/5,378.48
  6. Step 6: Final answer
    x = 6,410.90

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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.