Home / 4,281.12-6,421.95-1,817.37

Finding the Fourth Proportional to 4,281.12, 6,421.95 and 1,817.37

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Solution

The fourth proportional to 4,281.12, 6,421.95 and 1,817.37 is: 2,726.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,281.12 : 6,421.95 = 1,817.37 : x
  2. Step 2: Convert to fraction form
    4,281.12/6,421.95 = 1,817.37/x
  3. Step 3: Cross multiply
    4,281.12x = 6,421.95 × 1,817.37
  4. Step 4: Simplify right side
    4,281.12x = 11,671,059.27
  5. Step 5: Solve for x
    x = 11,671,059.27/4,281.12
  6. Step 6: Final answer
    x = 2,726.17

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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.