Home / 7,053.50-9,727.09-4,220.43

Finding the Fourth Proportional to 7,053.50, 9,727.09 and 4,220.43

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Solution

The fourth proportional to 7,053.50, 9,727.09 and 4,220.43 is: 5,820.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,053.50 : 9,727.09 = 4,220.43 : x
  2. Step 2: Convert to fraction form
    7,053.50/9,727.09 = 4,220.43/x
  3. Step 3: Cross multiply
    7,053.50x = 9,727.09 × 4,220.43
  4. Step 4: Simplify right side
    7,053.50x = 41,052,502.45
  5. Step 5: Solve for x
    x = 41,052,502.45/7,053.50
  6. Step 6: Final answer
    x = 5,820.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.