Home / 5,230.47-7,838.58-2,886.98

Finding the Fourth Proportional to 5,230.47, 7,838.58 and 2,886.98

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Solution

The fourth proportional to 5,230.47, 7,838.58 and 2,886.98 is: 4,326.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,230.47 : 7,838.58 = 2,886.98 : x
  2. Step 2: Convert to fraction form
    5,230.47/7,838.58 = 2,886.98/x
  3. Step 3: Cross multiply
    5,230.47x = 7,838.58 × 2,886.98
  4. Step 4: Simplify right side
    5,230.47x = 22,629,823.69
  5. Step 5: Solve for x
    x = 22,629,823.69/5,230.47
  6. Step 6: Final answer
    x = 4,326.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.