Home / 5,528-7,628.80-3,044.16

Finding the Fourth Proportional to 5,528, 7,628.80 and 3,044.16

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Solution

The fourth proportional to 5,528, 7,628.80 and 3,044.16 is: 4,201.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,528 : 7,628.80 = 3,044.16 : x
  2. Step 2: Convert to fraction form
    5,528/7,628.80 = 3,044.16/x
  3. Step 3: Cross multiply
    5,528x = 7,628.80 × 3,044.16
  4. Step 4: Simplify right side
    5,528x = 23,223,287.81
  5. Step 5: Solve for x
    x = 23,223,287.81/5,528
  6. Step 6: Final answer
    x = 4,201.03

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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.