Home / 5,068.80-7,603.68-2,106.62

Finding the Fourth Proportional to 5,068.80, 7,603.68 and 2,106.62

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Solution

The fourth proportional to 5,068.80, 7,603.68 and 2,106.62 is: 3,160.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,068.80 : 7,603.68 = 2,106.62 : x
  2. Step 2: Convert to fraction form
    5,068.80/7,603.68 = 2,106.62/x
  3. Step 3: Cross multiply
    5,068.80x = 7,603.68 × 2,106.62
  4. Step 4: Simplify right side
    5,068.80x = 16,018,064.36
  5. Step 5: Solve for x
    x = 16,018,064.36/5,068.80
  6. Step 6: Final answer
    x = 3,160.13

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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.