Home / 6,180.72-8,529.64-3,386.32

Finding the Fourth Proportional to 6,180.72, 8,529.64 and 3,386.32

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Solution

The fourth proportional to 6,180.72, 8,529.64 and 3,386.32 is: 4,673.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,180.72 : 8,529.64 = 3,386.32 : x
  2. Step 2: Convert to fraction form
    6,180.72/8,529.64 = 3,386.32/x
  3. Step 3: Cross multiply
    6,180.72x = 8,529.64 × 3,386.32
  4. Step 4: Simplify right side
    6,180.72x = 28,884,090.52
  5. Step 5: Solve for x
    x = 28,884,090.52/6,180.72
  6. Step 6: Final answer
    x = 4,673.26

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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.