Home / 5,457.82-7,531.38-3,099.50

Finding the Fourth Proportional to 5,457.82, 7,531.38 and 3,099.50

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Solution

The fourth proportional to 5,457.82, 7,531.38 and 3,099.50 is: 4,277.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,457.82 : 7,531.38 = 3,099.50 : x
  2. Step 2: Convert to fraction form
    5,457.82/7,531.38 = 3,099.50/x
  3. Step 3: Cross multiply
    5,457.82x = 7,531.38 × 3,099.50
  4. Step 4: Simplify right side
    5,457.82x = 23,343,512.31
  5. Step 5: Solve for x
    x = 23,343,512.31/5,457.82
  6. Step 6: Final answer
    x = 4,277.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.