Home / 5,457-7,530.66-2,973.16

Finding the Fourth Proportional to 5,457, 7,530.66 and 2,973.16

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Solution

The fourth proportional to 5,457, 7,530.66 and 2,973.16 is: 4,102.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,457 : 7,530.66 = 2,973.16 : x
  2. Step 2: Convert to fraction form
    5,457/7,530.66 = 2,973.16/x
  3. Step 3: Cross multiply
    5,457x = 7,530.66 × 2,973.16
  4. Step 4: Simplify right side
    5,457x = 22,389,857.09
  5. Step 5: Solve for x
    x = 22,389,857.09/5,457
  6. Step 6: Final answer
    x = 4,102.96

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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.