Home / 7,045.85-9,721.82-4,060.91

Finding the Fourth Proportional to 7,045.85, 9,721.82 and 4,060.91

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Solution

The fourth proportional to 7,045.85, 9,721.82 and 4,060.91 is: 5,603.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,045.85 : 9,721.82 = 4,060.91 : x
  2. Step 2: Convert to fraction form
    7,045.85/9,721.82 = 4,060.91/x
  3. Step 3: Cross multiply
    7,045.85x = 9,721.82 × 4,060.91
  4. Step 4: Simplify right side
    7,045.85x = 39,479,367.14
  5. Step 5: Solve for x
    x = 39,479,367.14/7,045.85
  6. Step 6: Final answer
    x = 5,603.21

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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.