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Finding the Fourth Proportional to 5,568.08, 7,680.82 and 5,004.32

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Solution

The fourth proportional to 5,568.08, 7,680.82 and 5,004.32 is: 6,903.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,568.08 : 7,680.82 = 5,004.32 : x
  2. Step 2: Convert to fraction form
    5,568.08/7,680.82 = 5,004.32/x
  3. Step 3: Cross multiply
    5,568.08x = 7,680.82 × 5,004.32
  4. Step 4: Simplify right side
    5,568.08x = 38,437,281.14
  5. Step 5: Solve for x
    x = 38,437,281.14/5,568.08
  6. Step 6: Final answer
    x = 6,903.15

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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.