Home / 5,830.35-8,737.71-2,129.10

Finding the Fourth Proportional to 5,830.35, 8,737.71 and 2,129.10

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Solution

The fourth proportional to 5,830.35, 8,737.71 and 2,129.10 is: 3,190.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,830.35 : 8,737.71 = 2,129.10 : x
  2. Step 2: Convert to fraction form
    5,830.35/8,737.71 = 2,129.10/x
  3. Step 3: Cross multiply
    5,830.35x = 8,737.71 × 2,129.10
  4. Step 4: Simplify right side
    5,830.35x = 18,603,458.36
  5. Step 5: Solve for x
    x = 18,603,458.36/5,830.35
  6. Step 6: Final answer
    x = 3,190.80

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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.