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Finding the Fourth Proportional to 6,159, 8,499.60 and 3,364.68

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Solution

The fourth proportional to 6,159, 8,499.60 and 3,364.68 is: 4,643.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,159 : 8,499.60 = 3,364.68 : x
  2. Step 2: Convert to fraction form
    6,159/8,499.60 = 3,364.68/x
  3. Step 3: Cross multiply
    6,159x = 8,499.60 × 3,364.68
  4. Step 4: Simplify right side
    6,159x = 28,598,434.13
  5. Step 5: Solve for x
    x = 28,598,434.13/6,159
  6. Step 6: Final answer
    x = 4,643.36

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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.