Home / 6,206.36-8,564.81-3,688.61

Finding the Fourth Proportional to 6,206.36, 8,564.81 and 3,688.61

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Solution

The fourth proportional to 6,206.36, 8,564.81 and 3,688.61 is: 5,090.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,206.36 : 8,564.81 = 3,688.61 : x
  2. Step 2: Convert to fraction form
    6,206.36/8,564.81 = 3,688.61/x
  3. Step 3: Cross multiply
    6,206.36x = 8,564.81 × 3,688.61
  4. Step 4: Simplify right side
    6,206.36x = 31,592,182.55
  5. Step 5: Solve for x
    x = 31,592,182.55/6,206.36
  6. Step 6: Final answer
    x = 5,090.30

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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.