Home / 4,971.80-7,457.70-3,222.20

Finding the Fourth Proportional to 4,971.80, 7,457.70 and 3,222.20

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Solution

The fourth proportional to 4,971.80, 7,457.70 and 3,222.20 is: 4,833.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,971.80 : 7,457.70 = 3,222.20 : x
  2. Step 2: Convert to fraction form
    4,971.80/7,457.70 = 3,222.20/x
  3. Step 3: Cross multiply
    4,971.80x = 7,457.70 × 3,222.20
  4. Step 4: Simplify right side
    4,971.80x = 24,030,200.94
  5. Step 5: Solve for x
    x = 24,030,200.94/4,971.80
  6. Step 6: Final answer
    x = 4,833.30

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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.