Home / 4,957.55-7,436.31-1,259.78

Finding the Fourth Proportional to 4,957.55, 7,436.31 and 1,259.78

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Solution

The fourth proportional to 4,957.55, 7,436.31 and 1,259.78 is: 1,889.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,957.55 : 7,436.31 = 1,259.78 : x
  2. Step 2: Convert to fraction form
    4,957.55/7,436.31 = 1,259.78/x
  3. Step 3: Cross multiply
    4,957.55x = 7,436.31 × 1,259.78
  4. Step 4: Simplify right side
    4,957.55x = 9,368,077.43
  5. Step 5: Solve for x
    x = 9,368,077.43/4,957.55
  6. Step 6: Final answer
    x = 1,889.66

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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.