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Finding the Fourth Proportional to 6,893.25, 9,509.73 and 5,395.16

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Solution

The fourth proportional to 6,893.25, 9,509.73 and 5,395.16 is: 7,443.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,893.25 : 9,509.73 = 5,395.16 : x
  2. Step 2: Convert to fraction form
    6,893.25/9,509.73 = 5,395.16/x
  3. Step 3: Cross multiply
    6,893.25x = 9,509.73 × 5,395.16
  4. Step 4: Simplify right side
    6,893.25x = 51,306,467.36
  5. Step 5: Solve for x
    x = 51,306,467.36/6,893.25
  6. Step 6: Final answer
    x = 7,443.00

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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.