Home / 5,608.10-8,411.48-2,320.80

Finding the Fourth Proportional to 5,608.10, 8,411.48 and 2,320.80

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Solution

The fourth proportional to 5,608.10, 8,411.48 and 2,320.80 is: 3,480.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,608.10 : 8,411.48 = 2,320.80 : x
  2. Step 2: Convert to fraction form
    5,608.10/8,411.48 = 2,320.80/x
  3. Step 3: Cross multiply
    5,608.10x = 8,411.48 × 2,320.80
  4. Step 4: Simplify right side
    5,608.10x = 19,521,362.78
  5. Step 5: Solve for x
    x = 19,521,362.78/5,608.10
  6. Step 6: Final answer
    x = 3,480.92

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1.5x scale

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.