Home / 8,465.18-12,698.34-2,225.18

Finding the Fourth Proportional to 8,465.18, 12,698.34 and 2,225.18

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Solution

The fourth proportional to 8,465.18, 12,698.34 and 2,225.18 is: 3,337.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,465.18 : 12,698.34 = 2,225.18 : x
  2. Step 2: Convert to fraction form
    8,465.18/12,698.34 = 2,225.18/x
  3. Step 3: Cross multiply
    8,465.18x = 12,698.34 × 2,225.18
  4. Step 4: Simplify right side
    8,465.18x = 28,256,028.71
  5. Step 5: Solve for x
    x = 28,256,028.71/8,465.18
  6. Step 6: Final answer
    x = 3,337.91

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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.