Home / 8,210.80-12,316.20-2,367.60

Finding the Fourth Proportional to 8,210.80, 12,316.20 and 2,367.60

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Solution

The fourth proportional to 8,210.80, 12,316.20 and 2,367.60 is: 3,551.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,210.80 : 12,316.20 = 2,367.60 : x
  2. Step 2: Convert to fraction form
    8,210.80/12,316.20 = 2,367.60/x
  3. Step 3: Cross multiply
    8,210.80x = 12,316.20 × 2,367.60
  4. Step 4: Simplify right side
    8,210.80x = 29,159,835.12
  5. Step 5: Solve for x
    x = 29,159,835.12/8,210.80
  6. Step 6: Final answer
    x = 3,551.40

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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.