Home / 6,554.78-9,040.37-4,637.18

Finding the Fourth Proportional to 6,554.78, 9,040.37 and 4,637.18

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Solution

The fourth proportional to 6,554.78, 9,040.37 and 4,637.18 is: 6,395.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,554.78 : 9,040.37 = 4,637.18 : x
  2. Step 2: Convert to fraction form
    6,554.78/9,040.37 = 4,637.18/x
  3. Step 3: Cross multiply
    6,554.78x = 9,040.37 × 4,637.18
  4. Step 4: Simplify right side
    6,554.78x = 41,921,789.35
  5. Step 5: Solve for x
    x = 41,921,789.35/6,554.78
  6. Step 6: Final answer
    x = 6,395.61

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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.