Home / 5,745-7,929.06-4,345.32

Finding the Fourth Proportional to 5,745, 7,929.06 and 4,345.32

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Solution

The fourth proportional to 5,745, 7,929.06 and 4,345.32 is: 5,997.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,745 : 7,929.06 = 4,345.32 : x
  2. Step 2: Convert to fraction form
    5,745/7,929.06 = 4,345.32/x
  3. Step 3: Cross multiply
    5,745x = 7,929.06 × 4,345.32
  4. Step 4: Simplify right side
    5,745x = 34,454,303.00
  5. Step 5: Solve for x
    x = 34,454,303.00/5,745
  6. Step 6: Final answer
    x = 5,997.27

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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.