Home / 4,901.34-7,357.42-1,981.66

Finding the Fourth Proportional to 4,901.34, 7,357.42 and 1,981.66

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Solution

The fourth proportional to 4,901.34, 7,357.42 and 1,981.66 is: 2,974.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,901.34 : 7,357.42 = 1,981.66 : x
  2. Step 2: Convert to fraction form
    4,901.34/7,357.42 = 1,981.66/x
  3. Step 3: Cross multiply
    4,901.34x = 7,357.42 × 1,981.66
  4. Step 4: Simplify right side
    4,901.34x = 14,579,904.92
  5. Step 5: Solve for x
    x = 14,579,904.92/4,901.34
  6. Step 6: Final answer
    x = 2,974.68

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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.