Home / 4,281.65-6,419.27-1,814.90

Finding the Fourth Proportional to 4,281.65, 6,419.27 and 1,814.90

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Solution

The fourth proportional to 4,281.65, 6,419.27 and 1,814.90 is: 2,720.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,281.65 : 6,419.27 = 1,814.90 : x
  2. Step 2: Convert to fraction form
    4,281.65/6,419.27 = 1,814.90/x
  3. Step 3: Cross multiply
    4,281.65x = 6,419.27 × 1,814.90
  4. Step 4: Simplify right side
    4,281.65x = 11,650,291.95
  5. Step 5: Solve for x
    x = 11,650,291.95/4,281.65
  6. Step 6: Final answer
    x = 2,720.99

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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.