Home / 7,045.44-9,721.50-4,061.40

Finding the Fourth Proportional to 7,045.44, 9,721.50 and 4,061.40

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Solution

The fourth proportional to 7,045.44, 9,721.50 and 4,061.40 is: 5,604.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,045.44 : 9,721.50 = 4,061.40 : x
  2. Step 2: Convert to fraction form
    7,045.44/9,721.50 = 4,061.40/x
  3. Step 3: Cross multiply
    7,045.44x = 9,721.50 × 4,061.40
  4. Step 4: Simplify right side
    7,045.44x = 39,482,900.10
  5. Step 5: Solve for x
    x = 39,482,900.10/7,045.44
  6. Step 6: Final answer
    x = 5,604.04

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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.