Home / 5,457.78-7,531.77-3,099.93

Finding the Fourth Proportional to 5,457.78, 7,531.77 and 3,099.93

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Solution

The fourth proportional to 5,457.78, 7,531.77 and 3,099.93 is: 4,277.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,457.78 : 7,531.77 = 3,099.93 : x
  2. Step 2: Convert to fraction form
    5,457.78/7,531.77 = 3,099.93/x
  3. Step 3: Cross multiply
    5,457.78x = 7,531.77 × 3,099.93
  4. Step 4: Simplify right side
    5,457.78x = 23,347,959.78
  5. Step 5: Solve for x
    x = 23,347,959.78/5,457.78
  6. Step 6: Final answer
    x = 4,277.92

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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.