Home / 5,457.48-7,531.50-3,099.72

Finding the Fourth Proportional to 5,457.48, 7,531.50 and 3,099.72

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Solution

The fourth proportional to 5,457.48, 7,531.50 and 3,099.72 is: 4,277.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,457.48 : 7,531.50 = 3,099.72 : x
  2. Step 2: Convert to fraction form
    5,457.48/7,531.50 = 3,099.72/x
  3. Step 3: Cross multiply
    5,457.48x = 7,531.50 × 3,099.72
  4. Step 4: Simplify right side
    5,457.48x = 23,345,541.18
  5. Step 5: Solve for x
    x = 23,345,541.18/5,457.48
  6. Step 6: Final answer
    x = 4,277.71

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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.