Home / 6,403.66-9,603.56-3,440.27

Finding the Fourth Proportional to 6,403.66, 9,603.56 and 3,440.27

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Solution

The fourth proportional to 6,403.66, 9,603.56 and 3,440.27 is: 5,159.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,403.66 : 9,603.56 = 3,440.27 : x
  2. Step 2: Convert to fraction form
    6,403.66/9,603.56 = 3,440.27/x
  3. Step 3: Cross multiply
    6,403.66x = 9,603.56 × 3,440.27
  4. Step 4: Simplify right side
    6,403.66x = 33,038,871.97
  5. Step 5: Solve for x
    x = 33,038,871.97/6,403.66
  6. Step 6: Final answer
    x = 5,159.38

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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.