Home / 5,640.28-8,459.04-2,353.40

Finding the Fourth Proportional to 5,640.28, 8,459.04 and 2,353.40

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Solution

The fourth proportional to 5,640.28, 8,459.04 and 2,353.40 is: 3,529.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,640.28 : 8,459.04 = 2,353.40 : x
  2. Step 2: Convert to fraction form
    5,640.28/8,459.04 = 2,353.40/x
  3. Step 3: Cross multiply
    5,640.28x = 8,459.04 × 2,353.40
  4. Step 4: Simplify right side
    5,640.28x = 19,907,462.44
  5. Step 5: Solve for x
    x = 19,907,462.44/5,640.28
  6. Step 6: Final answer
    x = 3,529.52

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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.