Home / 6,289.61-8,679.57-3,637.27

Finding the Fourth Proportional to 6,289.61, 8,679.57 and 3,637.27

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Solution

The fourth proportional to 6,289.61, 8,679.57 and 3,637.27 is: 5,019.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,289.61 : 8,679.57 = 3,637.27 : x
  2. Step 2: Convert to fraction form
    6,289.61/8,679.57 = 3,637.27/x
  3. Step 3: Cross multiply
    6,289.61x = 8,679.57 × 3,637.27
  4. Step 4: Simplify right side
    6,289.61x = 31,569,896.18
  5. Step 5: Solve for x
    x = 31,569,896.18/6,289.61
  6. Step 6: Final answer
    x = 5,019.37

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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.