Home / 5,323.47-7,345.79-3,084.89

Finding the Fourth Proportional to 5,323.47, 7,345.79 and 3,084.89

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Solution

The fourth proportional to 5,323.47, 7,345.79 and 3,084.89 is: 4,256.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,323.47 : 7,345.79 = 3,084.89 : x
  2. Step 2: Convert to fraction form
    5,323.47/7,345.79 = 3,084.89/x
  3. Step 3: Cross multiply
    5,323.47x = 7,345.79 × 3,084.89
  4. Step 4: Simplify right side
    5,323.47x = 22,660,913.53
  5. Step 5: Solve for x
    x = 22,660,913.53/5,323.47
  6. Step 6: Final answer
    x = 4,256.79

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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.