Home / 7,945.60-11,913.60-3,562.24

Finding the Fourth Proportional to 7,945.60, 11,913.60 and 3,562.24

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Solution

The fourth proportional to 7,945.60, 11,913.60 and 3,562.24 is: 5,341.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,945.60 : 11,913.60 = 3,562.24 : x
  2. Step 2: Convert to fraction form
    7,945.60/11,913.60 = 3,562.24/x
  3. Step 3: Cross multiply
    7,945.60x = 11,913.60 × 3,562.24
  4. Step 4: Simplify right side
    7,945.60x = 42,439,102.46
  5. Step 5: Solve for x
    x = 42,439,102.46/7,945.60
  6. Step 6: Final answer
    x = 5,341.21

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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.