Home / 7,099.10-10,648.65-2,938.54

Finding the Fourth Proportional to 7,099.10, 10,648.65 and 2,938.54

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Solution

The fourth proportional to 7,099.10, 10,648.65 and 2,938.54 is: 4,407.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,099.10 : 10,648.65 = 2,938.54 : x
  2. Step 2: Convert to fraction form
    7,099.10/10,648.65 = 2,938.54/x
  3. Step 3: Cross multiply
    7,099.10x = 10,648.65 × 2,938.54
  4. Step 4: Simplify right side
    7,099.10x = 31,291,430.73
  5. Step 5: Solve for x
    x = 31,291,430.73/7,099.10
  6. Step 6: Final answer
    x = 4,407.80

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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.