Home / 4,808.16-6,630.66-2,920.05

Finding the Fourth Proportional to 4,808.16, 6,630.66 and 2,920.05

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Solution

The fourth proportional to 4,808.16, 6,630.66 and 2,920.05 is: 4,026.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,808.16 : 6,630.66 = 2,920.05 : x
  2. Step 2: Convert to fraction form
    4,808.16/6,630.66 = 2,920.05/x
  3. Step 3: Cross multiply
    4,808.16x = 6,630.66 × 2,920.05
  4. Step 4: Simplify right side
    4,808.16x = 19,361,858.73
  5. Step 5: Solve for x
    x = 19,361,858.73/4,808.16
  6. Step 6: Final answer
    x = 4,026.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.