Home / 5,907.76-8,153.05-3,389.85

Finding the Fourth Proportional to 5,907.76, 8,153.05 and 3,389.85

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Solution

The fourth proportional to 5,907.76, 8,153.05 and 3,389.85 is: 4,678.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,907.76 : 8,153.05 = 3,389.85 : x
  2. Step 2: Convert to fraction form
    5,907.76/8,153.05 = 3,389.85/x
  3. Step 3: Cross multiply
    5,907.76x = 8,153.05 × 3,389.85
  4. Step 4: Simplify right side
    5,907.76x = 27,637,616.54
  5. Step 5: Solve for x
    x = 27,637,616.54/5,907.76
  6. Step 6: Final answer
    x = 4,678.19

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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.