Home / 4,890.45-7,332.02-2,942.19

Finding the Fourth Proportional to 4,890.45, 7,332.02 and 2,942.19

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Solution

The fourth proportional to 4,890.45, 7,332.02 and 2,942.19 is: 4,411.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890.45 : 7,332.02 = 2,942.19 : x
  2. Step 2: Convert to fraction form
    4,890.45/7,332.02 = 2,942.19/x
  3. Step 3: Cross multiply
    4,890.45x = 7,332.02 × 2,942.19
  4. Step 4: Simplify right side
    4,890.45x = 21,572,195.92
  5. Step 5: Solve for x
    x = 21,572,195.92/4,890.45
  6. Step 6: Final answer
    x = 4,411.09

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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.