Home / 8,370.88-12,560.16-4,269.76

Finding the Fourth Proportional to 8,370.88, 12,560.16 and 4,269.76

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Solution

The fourth proportional to 8,370.88, 12,560.16 and 4,269.76 is: 6,406.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,370.88 : 12,560.16 = 4,269.76 : x
  2. Step 2: Convert to fraction form
    8,370.88/12,560.16 = 4,269.76/x
  3. Step 3: Cross multiply
    8,370.88x = 12,560.16 × 4,269.76
  4. Step 4: Simplify right side
    8,370.88x = 53,628,868.76
  5. Step 5: Solve for x
    x = 53,628,868.76/8,370.88
  6. Step 6: Final answer
    x = 6,406.60

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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.