Home / 8,426.16-12,639.42-2,582.64

Finding the Fourth Proportional to 8,426.16, 12,639.42 and 2,582.64

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Solution

The fourth proportional to 8,426.16, 12,639.42 and 2,582.64 is: 3,874.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,426.16 : 12,639.42 = 2,582.64 : x
  2. Step 2: Convert to fraction form
    8,426.16/12,639.42 = 2,582.64/x
  3. Step 3: Cross multiply
    8,426.16x = 12,639.42 × 2,582.64
  4. Step 4: Simplify right side
    8,426.16x = 32,643,071.67
  5. Step 5: Solve for x
    x = 32,643,071.67/8,426.16
  6. Step 6: Final answer
    x = 3,874.02

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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.