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Finding the Fourth Proportional to 6,551.25, 9,040.73 and 3,607.25

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Solution

The fourth proportional to 6,551.25, 9,040.73 and 3,607.25 is: 4,978.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,551.25 : 9,040.73 = 3,607.25 : x
  2. Step 2: Convert to fraction form
    6,551.25/9,040.73 = 3,607.25/x
  3. Step 3: Cross multiply
    6,551.25x = 9,040.73 × 3,607.25
  4. Step 4: Simplify right side
    6,551.25x = 32,612,155.26
  5. Step 5: Solve for x
    x = 32,612,155.26/6,551.25
  6. Step 6: Final answer
    x = 4,978.01

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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.