Home / 8,426.15-12,646.99-4,269.05

Finding the Fourth Proportional to 8,426.15, 12,646.99 and 4,269.05

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Solution

The fourth proportional to 8,426.15, 12,646.99 and 4,269.05 is: 6,407.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,426.15 : 12,646.99 = 4,269.05 : x
  2. Step 2: Convert to fraction form
    8,426.15/12,646.99 = 4,269.05/x
  3. Step 3: Cross multiply
    8,426.15x = 12,646.99 × 4,269.05
  4. Step 4: Simplify right side
    8,426.15x = 53,990,653.60
  5. Step 5: Solve for x
    x = 53,990,653.60/8,426.15
  6. Step 6: Final answer
    x = 6,407.51

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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.