Home / 6,077.08-8,386.81-3,388.49

Finding the Fourth Proportional to 6,077.08, 8,386.81 and 3,388.49

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Solution

The fourth proportional to 6,077.08, 8,386.81 and 3,388.49 is: 4,676.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,077.08 : 8,386.81 = 3,388.49 : x
  2. Step 2: Convert to fraction form
    6,077.08/8,386.81 = 3,388.49/x
  3. Step 3: Cross multiply
    6,077.08x = 8,386.81 × 3,388.49
  4. Step 4: Simplify right side
    6,077.08x = 28,418,602.86
  5. Step 5: Solve for x
    x = 28,418,602.86/6,077.08
  6. Step 6: Final answer
    x = 4,676.36

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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.