Home / 5,457.84-8,186.73-1,562.55

Finding the Fourth Proportional to 5,457.84, 8,186.73 and 1,562.55

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Solution

The fourth proportional to 5,457.84, 8,186.73 and 1,562.55 is: 2,343.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,457.84 : 8,186.73 = 1,562.55 : x
  2. Step 2: Convert to fraction form
    5,457.84/8,186.73 = 1,562.55/x
  3. Step 3: Cross multiply
    5,457.84x = 8,186.73 × 1,562.55
  4. Step 4: Simplify right side
    5,457.84x = 12,792,174.96
  5. Step 5: Solve for x
    x = 12,792,174.96/5,457.84
  6. Step 6: Final answer
    x = 2,343.82

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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.