Home / 8,220.10-12,322.05-4,056.70

Finding the Fourth Proportional to 8,220.10, 12,322.05 and 4,056.70

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Solution

The fourth proportional to 8,220.10, 12,322.05 and 4,056.70 is: 6,081.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,220.10 : 12,322.05 = 4,056.70 : x
  2. Step 2: Convert to fraction form
    8,220.10/12,322.05 = 4,056.70/x
  3. Step 3: Cross multiply
    8,220.10x = 12,322.05 × 4,056.70
  4. Step 4: Simplify right side
    8,220.10x = 49,986,860.24
  5. Step 5: Solve for x
    x = 49,986,860.24/8,220.10
  6. Step 6: Final answer
    x = 6,081.05

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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.