Home / 5,786.10-7,979.85-4,525.20

Finding the Fourth Proportional to 5,786.10, 7,979.85 and 4,525.20

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Solution

The fourth proportional to 5,786.10, 7,979.85 and 4,525.20 is: 6,240.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,786.10 : 7,979.85 = 4,525.20 : x
  2. Step 2: Convert to fraction form
    5,786.10/7,979.85 = 4,525.20/x
  3. Step 3: Cross multiply
    5,786.10x = 7,979.85 × 4,525.20
  4. Step 4: Simplify right side
    5,786.10x = 36,110,417.22
  5. Step 5: Solve for x
    x = 36,110,417.22/5,786.10
  6. Step 6: Final answer
    x = 6,240.89

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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.