Home / 6,453.19-9,663.37-5,911.90

Finding the Fourth Proportional to 6,453.19, 9,663.37 and 5,911.90

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Solution

The fourth proportional to 6,453.19, 9,663.37 and 5,911.90 is: 8,852.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,453.19 : 9,663.37 = 5,911.90 : x
  2. Step 2: Convert to fraction form
    6,453.19/9,663.37 = 5,911.90/x
  3. Step 3: Cross multiply
    6,453.19x = 9,663.37 × 5,911.90
  4. Step 4: Simplify right side
    6,453.19x = 57,128,892.52
  5. Step 5: Solve for x
    x = 57,128,892.52/6,453.19
  6. Step 6: Final answer
    x = 8,852.82

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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.