Home / 6,219.75-8,583.66-4,124.28

Finding the Fourth Proportional to 6,219.75, 8,583.66 and 4,124.28

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Solution

The fourth proportional to 6,219.75, 8,583.66 and 4,124.28 is: 5,691.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,219.75 : 8,583.66 = 4,124.28 : x
  2. Step 2: Convert to fraction form
    6,219.75/8,583.66 = 4,124.28/x
  3. Step 3: Cross multiply
    6,219.75x = 8,583.66 × 4,124.28
  4. Step 4: Simplify right side
    6,219.75x = 35,401,417.26
  5. Step 5: Solve for x
    x = 35,401,417.26/6,219.75
  6. Step 6: Final answer
    x = 5,691.77

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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.