Home / 4,312.63-5,950.42-3,131.65

Finding the Fourth Proportional to 4,312.63, 5,950.42 and 3,131.65

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Solution

The fourth proportional to 4,312.63, 5,950.42 and 3,131.65 is: 4,320.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,312.63 : 5,950.42 = 3,131.65 : x
  2. Step 2: Convert to fraction form
    4,312.63/5,950.42 = 3,131.65/x
  3. Step 3: Cross multiply
    4,312.63x = 5,950.42 × 3,131.65
  4. Step 4: Simplify right side
    4,312.63x = 18,634,632.79
  5. Step 5: Solve for x
    x = 18,634,632.79/4,312.63
  6. Step 6: Final answer
    x = 4,320.94

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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.