Home / 4,785.24-6,600.78-2,919

Finding the Fourth Proportional to 4,785.24, 6,600.78 and 2,919

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Solution

The fourth proportional to 4,785.24, 6,600.78 and 2,919 is: 4,026.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,785.24 : 6,600.78 = 2,919 : x
  2. Step 2: Convert to fraction form
    4,785.24/6,600.78 = 2,919/x
  3. Step 3: Cross multiply
    4,785.24x = 6,600.78 × 2,919
  4. Step 4: Simplify right side
    4,785.24x = 19,267,676.82
  5. Step 5: Solve for x
    x = 19,267,676.82/4,785.24
  6. Step 6: Final answer
    x = 4,026.48

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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.