Home / 5,905.34-8,148.68-3,386.75

Finding the Fourth Proportional to 5,905.34, 8,148.68 and 3,386.75

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Solution

The fourth proportional to 5,905.34, 8,148.68 and 3,386.75 is: 4,673.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,905.34 : 8,148.68 = 3,386.75 : x
  2. Step 2: Convert to fraction form
    5,905.34/8,148.68 = 3,386.75/x
  3. Step 3: Cross multiply
    5,905.34x = 8,148.68 × 3,386.75
  4. Step 4: Simplify right side
    5,905.34x = 27,597,541.99
  5. Step 5: Solve for x
    x = 27,597,541.99/5,905.34
  6. Step 6: Final answer
    x = 4,673.32

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Double scale
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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.