Home / 4,140.16-5,700.30-3,509.30

Finding the Fourth Proportional to 4,140.16, 5,700.30 and 3,509.30

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Solution

The fourth proportional to 4,140.16, 5,700.30 and 3,509.30 is: 4,831.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,140.16 : 5,700.30 = 3,509.30 : x
  2. Step 2: Convert to fraction form
    4,140.16/5,700.30 = 3,509.30/x
  3. Step 3: Cross multiply
    4,140.16x = 5,700.30 × 3,509.30
  4. Step 4: Simplify right side
    4,140.16x = 20,004,062.79
  5. Step 5: Solve for x
    x = 20,004,062.79/4,140.16
  6. Step 6: Final answer
    x = 4,831.71

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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.