Home / 8,416.32-12,618.41-2,569.74

Finding the Fourth Proportional to 8,416.32, 12,618.41 and 2,569.74

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Solution

The fourth proportional to 8,416.32, 12,618.41 and 2,569.74 is: 3,852.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,416.32 : 12,618.41 = 2,569.74 : x
  2. Step 2: Convert to fraction form
    8,416.32/12,618.41 = 2,569.74/x
  3. Step 3: Cross multiply
    8,416.32x = 12,618.41 × 2,569.74
  4. Step 4: Simplify right side
    8,416.32x = 32,426,020.06
  5. Step 5: Solve for x
    x = 32,426,020.06/8,416.32
  6. Step 6: Final answer
    x = 3,852.76

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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.