Home / 5,457.79-7,532.66-3,220.22

Finding the Fourth Proportional to 5,457.79, 7,532.66 and 3,220.22

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Solution

The fourth proportional to 5,457.79, 7,532.66 and 3,220.22 is: 4,444.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,457.79 : 7,532.66 = 3,220.22 : x
  2. Step 2: Convert to fraction form
    5,457.79/7,532.66 = 3,220.22/x
  3. Step 3: Cross multiply
    5,457.79x = 7,532.66 × 3,220.22
  4. Step 4: Simplify right side
    5,457.79x = 24,256,822.39
  5. Step 5: Solve for x
    x = 24,256,822.39/5,457.79
  6. Step 6: Final answer
    x = 4,444.44

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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.