Home / 4,457.18-6,681.22-3,221.53

Finding the Fourth Proportional to 4,457.18, 6,681.22 and 3,221.53

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Solution

The fourth proportional to 4,457.18, 6,681.22 and 3,221.53 is: 4,829.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,457.18 : 6,681.22 = 3,221.53 : x
  2. Step 2: Convert to fraction form
    4,457.18/6,681.22 = 3,221.53/x
  3. Step 3: Cross multiply
    4,457.18x = 6,681.22 × 3,221.53
  4. Step 4: Simplify right side
    4,457.18x = 21,523,725.91
  5. Step 5: Solve for x
    x = 21,523,725.91/4,457.18
  6. Step 6: Final answer
    x = 4,829.00

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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.