Home / 5,405.96-8,108.27-1,457.53

Finding the Fourth Proportional to 5,405.96, 8,108.27 and 1,457.53

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Solution

The fourth proportional to 5,405.96, 8,108.27 and 1,457.53 is: 2,186.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,405.96 : 8,108.27 = 1,457.53 : x
  2. Step 2: Convert to fraction form
    5,405.96/8,108.27 = 1,457.53/x
  3. Step 3: Cross multiply
    5,405.96x = 8,108.27 × 1,457.53
  4. Step 4: Simplify right side
    5,405.96x = 11,818,046.77
  5. Step 5: Solve for x
    x = 11,818,046.77/5,405.96
  6. Step 6: Final answer
    x = 2,186.11

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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.