Home / 5,457.57-8,187.63-1,562.01

Finding the Fourth Proportional to 5,457.57, 8,187.63 and 1,562.01

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Solution

The fourth proportional to 5,457.57, 8,187.63 and 1,562.01 is: 2,343.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,457.57 : 8,187.63 = 1,562.01 : x
  2. Step 2: Convert to fraction form
    5,457.57/8,187.63 = 1,562.01/x
  3. Step 3: Cross multiply
    5,457.57x = 8,187.63 × 1,562.01
  4. Step 4: Simplify right side
    5,457.57x = 12,789,159.94
  5. Step 5: Solve for x
    x = 12,789,159.94/5,457.57
  6. Step 6: Final answer
    x = 2,343.38

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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.