Home / 5,647.90-8,477.05-2,876.57

Finding the Fourth Proportional to 5,647.90, 8,477.05 and 2,876.57

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Solution

The fourth proportional to 5,647.90, 8,477.05 and 2,876.57 is: 4,317.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,647.90 : 8,477.05 = 2,876.57 : x
  2. Step 2: Convert to fraction form
    5,647.90/8,477.05 = 2,876.57/x
  3. Step 3: Cross multiply
    5,647.90x = 8,477.05 × 2,876.57
  4. Step 4: Simplify right side
    5,647.90x = 24,384,778.14
  5. Step 5: Solve for x
    x = 24,384,778.14/5,647.90
  6. Step 6: Final answer
    x = 4,317.50

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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.