Home / 4,195.05-6,293.28-1,421.91

Finding the Fourth Proportional to 4,195.05, 6,293.28 and 1,421.91

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Solution

The fourth proportional to 4,195.05, 6,293.28 and 1,421.91 is: 2,133.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,195.05 : 6,293.28 = 1,421.91 : x
  2. Step 2: Convert to fraction form
    4,195.05/6,293.28 = 1,421.91/x
  3. Step 3: Cross multiply
    4,195.05x = 6,293.28 × 1,421.91
  4. Step 4: Simplify right side
    4,195.05x = 8,948,477.76
  5. Step 5: Solve for x
    x = 8,948,477.76/4,195.05
  6. Step 6: Final answer
    x = 2,133.10

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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.