Home / 5,022.24-6,929.40-3,130.88

Finding the Fourth Proportional to 5,022.24, 6,929.40 and 3,130.88

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Solution

The fourth proportional to 5,022.24, 6,929.40 and 3,130.88 is: 4,319.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,022.24 : 6,929.40 = 3,130.88 : x
  2. Step 2: Convert to fraction form
    5,022.24/6,929.40 = 3,130.88/x
  3. Step 3: Cross multiply
    5,022.24x = 6,929.40 × 3,130.88
  4. Step 4: Simplify right side
    5,022.24x = 21,695,119.87
  5. Step 5: Solve for x
    x = 21,695,119.87/5,022.24
  6. Step 6: Final answer
    x = 4,319.81

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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.