Home / 6,371.19-8,784.18-4,556.39

Finding the Fourth Proportional to 6,371.19, 8,784.18 and 4,556.39

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Solution

The fourth proportional to 6,371.19, 8,784.18 and 4,556.39 is: 6,282.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,371.19 : 8,784.18 = 4,556.39 : x
  2. Step 2: Convert to fraction form
    6,371.19/8,784.18 = 4,556.39/x
  3. Step 3: Cross multiply
    6,371.19x = 8,784.18 × 4,556.39
  4. Step 4: Simplify right side
    6,371.19x = 40,024,105.99
  5. Step 5: Solve for x
    x = 40,024,105.99/6,371.19
  6. Step 6: Final answer
    x = 6,282.05

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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.