Home / 7,950.35-11,925.53-2,106.91

Finding the Fourth Proportional to 7,950.35, 11,925.53 and 2,106.91

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Solution

The fourth proportional to 7,950.35, 11,925.53 and 2,106.91 is: 3,160.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,950.35 : 11,925.53 = 2,106.91 : x
  2. Step 2: Convert to fraction form
    7,950.35/11,925.53 = 2,106.91/x
  3. Step 3: Cross multiply
    7,950.35x = 11,925.53 × 2,106.91
  4. Step 4: Simplify right side
    7,950.35x = 25,126,030.69
  5. Step 5: Solve for x
    x = 25,126,030.69/7,950.35
  6. Step 6: Final answer
    x = 3,160.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.