Home / 4,775.78-6,590.63-2,679.91

Finding the Fourth Proportional to 4,775.78, 6,590.63 and 2,679.91

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Solution

The fourth proportional to 4,775.78, 6,590.63 and 2,679.91 is: 3,698.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,775.78 : 6,590.63 = 2,679.91 : x
  2. Step 2: Convert to fraction form
    4,775.78/6,590.63 = 2,679.91/x
  3. Step 3: Cross multiply
    4,775.78x = 6,590.63 × 2,679.91
  4. Step 4: Simplify right side
    4,775.78x = 17,662,295.24
  5. Step 5: Solve for x
    x = 17,662,295.24/4,775.78
  6. Step 6: Final answer
    x = 3,698.31

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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.