Home / 4,916.32-7,374.88-1,994.80

Finding the Fourth Proportional to 4,916.32, 7,374.88 and 1,994.80

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Solution

The fourth proportional to 4,916.32, 7,374.88 and 1,994.80 is: 2,992.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,916.32 : 7,374.88 = 1,994.80 : x
  2. Step 2: Convert to fraction form
    4,916.32/7,374.88 = 1,994.80/x
  3. Step 3: Cross multiply
    4,916.32x = 7,374.88 × 1,994.80
  4. Step 4: Simplify right side
    4,916.32x = 14,711,410.62
  5. Step 5: Solve for x
    x = 14,711,410.62/4,916.32
  6. Step 6: Final answer
    x = 2,992.36

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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.