Home / 5,323.02-7,345.80-2,965.20

Finding the Fourth Proportional to 5,323.02, 7,345.80 and 2,965.20

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Solution

The fourth proportional to 5,323.02, 7,345.80 and 2,965.20 is: 4,091.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,323.02 : 7,345.80 = 2,965.20 : x
  2. Step 2: Convert to fraction form
    5,323.02/7,345.80 = 2,965.20/x
  3. Step 3: Cross multiply
    5,323.02x = 7,345.80 × 2,965.20
  4. Step 4: Simplify right side
    5,323.02x = 21,781,766.16
  5. Step 5: Solve for x
    x = 21,781,766.16/5,323.02
  6. Step 6: Final answer
    x = 4,091.99

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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.