Home / 6,823.36-9,417.60-4,029.76

Finding the Fourth Proportional to 6,823.36, 9,417.60 and 4,029.76

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Solution

The fourth proportional to 6,823.36, 9,417.60 and 4,029.76 is: 5,561.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,823.36 : 9,417.60 = 4,029.76 : x
  2. Step 2: Convert to fraction form
    6,823.36/9,417.60 = 4,029.76/x
  3. Step 3: Cross multiply
    6,823.36x = 9,417.60 × 4,029.76
  4. Step 4: Simplify right side
    6,823.36x = 37,950,667.78
  5. Step 5: Solve for x
    x = 37,950,667.78/6,823.36
  6. Step 6: Final answer
    x = 5,561.87

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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.