Home / 5,457.63-8,186.78-1,562.34

Finding the Fourth Proportional to 5,457.63, 8,186.78 and 1,562.34

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Solution

The fourth proportional to 5,457.63, 8,186.78 and 1,562.34 is: 2,343.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,457.63 : 8,186.78 = 1,562.34 : x
  2. Step 2: Convert to fraction form
    5,457.63/8,186.78 = 1,562.34/x
  3. Step 3: Cross multiply
    5,457.63x = 8,186.78 × 1,562.34
  4. Step 4: Simplify right side
    5,457.63x = 12,790,533.87
  5. Step 5: Solve for x
    x = 12,790,533.87/5,457.63
  6. Step 6: Final answer
    x = 2,343.61

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1.5x scale

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.