Home / 5,688.40-7,850.08-3,204.40

Finding the Fourth Proportional to 5,688.40, 7,850.08 and 3,204.40

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Solution

The fourth proportional to 5,688.40, 7,850.08 and 3,204.40 is: 4,422.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,688.40 : 7,850.08 = 3,204.40 : x
  2. Step 2: Convert to fraction form
    5,688.40/7,850.08 = 3,204.40/x
  3. Step 3: Cross multiply
    5,688.40x = 7,850.08 × 3,204.40
  4. Step 4: Simplify right side
    5,688.40x = 25,154,796.35
  5. Step 5: Solve for x
    x = 25,154,796.35/5,688.40
  6. Step 6: Final answer
    x = 4,422.12

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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.