Home / 4,202.20-6,308.75-2,970.19

Finding the Fourth Proportional to 4,202.20, 6,308.75 and 2,970.19

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Solution

The fourth proportional to 4,202.20, 6,308.75 and 2,970.19 is: 4,459.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,202.20 : 6,308.75 = 2,970.19 : x
  2. Step 2: Convert to fraction form
    4,202.20/6,308.75 = 2,970.19/x
  3. Step 3: Cross multiply
    4,202.20x = 6,308.75 × 2,970.19
  4. Step 4: Simplify right side
    4,202.20x = 18,738,186.16
  5. Step 5: Solve for x
    x = 18,738,186.16/4,202.20
  6. Step 6: Final answer
    x = 4,459.14

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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.