Home / 5,564.60-8,346.90-5,142.20

Finding the Fourth Proportional to 5,564.60, 8,346.90 and 5,142.20

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Solution

The fourth proportional to 5,564.60, 8,346.90 and 5,142.20 is: 7,713.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,564.60 : 8,346.90 = 5,142.20 : x
  2. Step 2: Convert to fraction form
    5,564.60/8,346.90 = 5,142.20/x
  3. Step 3: Cross multiply
    5,564.60x = 8,346.90 × 5,142.20
  4. Step 4: Simplify right side
    5,564.60x = 42,921,429.18
  5. Step 5: Solve for x
    x = 42,921,429.18/5,564.60
  6. Step 6: Final answer
    x = 7,713.30

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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.