Home / 7,283.31-10,054.77-4,905.78

Finding the Fourth Proportional to 7,283.31, 10,054.77 and 4,905.78

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Solution

The fourth proportional to 7,283.31, 10,054.77 and 4,905.78 is: 6,772.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,283.31 : 10,054.77 = 4,905.78 : x
  2. Step 2: Convert to fraction form
    7,283.31/10,054.77 = 4,905.78/x
  3. Step 3: Cross multiply
    7,283.31x = 10,054.77 × 4,905.78
  4. Step 4: Simplify right side
    7,283.31x = 49,326,489.57
  5. Step 5: Solve for x
    x = 49,326,489.57/7,283.31
  6. Step 6: Final answer
    x = 6,772.54

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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.