Home / 4,195.02-6,291.72-1,421.46

Finding the Fourth Proportional to 4,195.02, 6,291.72 and 1,421.46

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Solution

The fourth proportional to 4,195.02, 6,291.72 and 1,421.46 is: 2,131.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,195.02 : 6,291.72 = 1,421.46 : x
  2. Step 2: Convert to fraction form
    4,195.02/6,291.72 = 1,421.46/x
  3. Step 3: Cross multiply
    4,195.02x = 6,291.72 × 1,421.46
  4. Step 4: Simplify right side
    4,195.02x = 8,943,428.31
  5. Step 5: Solve for x
    x = 8,943,428.31/4,195.02
  6. Step 6: Final answer
    x = 2,131.92

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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.