Home / 7,045.92-9,722.70-3,902.04

Finding the Fourth Proportional to 7,045.92, 9,722.70 and 3,902.04

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Solution

The fourth proportional to 7,045.92, 9,722.70 and 3,902.04 is: 5,384.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,045.92 : 9,722.70 = 3,902.04 : x
  2. Step 2: Convert to fraction form
    7,045.92/9,722.70 = 3,902.04/x
  3. Step 3: Cross multiply
    7,045.92x = 9,722.70 × 3,902.04
  4. Step 4: Simplify right side
    7,045.92x = 37,938,364.31
  5. Step 5: Solve for x
    x = 37,938,364.31/7,045.92
  6. Step 6: Final answer
    x = 5,384.44

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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.