Home / 5,688.30-8,532.45-3,938.70

Finding the Fourth Proportional to 5,688.30, 8,532.45 and 3,938.70

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Solution

The fourth proportional to 5,688.30, 8,532.45 and 3,938.70 is: 5,908.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,688.30 : 8,532.45 = 3,938.70 : x
  2. Step 2: Convert to fraction form
    5,688.30/8,532.45 = 3,938.70/x
  3. Step 3: Cross multiply
    5,688.30x = 8,532.45 × 3,938.70
  4. Step 4: Simplify right side
    5,688.30x = 33,606,760.82
  5. Step 5: Solve for x
    x = 33,606,760.82/5,688.30
  6. Step 6: Final answer
    x = 5,908.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.