Home / 10,457.88-15,689.86-4,214.66

Finding the Fourth Proportional to 10,457.88, 15,689.86 and 4,214.66

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Solution

The fourth proportional to 10,457.88, 15,689.86 and 4,214.66 is: 6,323.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,457.88 : 15,689.86 = 4,214.66 : x
  2. Step 2: Convert to fraction form
    10,457.88/15,689.86 = 4,214.66/x
  3. Step 3: Cross multiply
    10,457.88x = 15,689.86 × 4,214.66
  4. Step 4: Simplify right side
    10,457.88x = 66,127,425.35
  5. Step 5: Solve for x
    x = 66,127,425.35/10,457.88
  6. Step 6: Final answer
    x = 6,323.22

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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.