Home / 5,076.74-7,615.08-1,378.96

Finding the Fourth Proportional to 5,076.74, 7,615.08 and 1,378.96

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Solution

The fourth proportional to 5,076.74, 7,615.08 and 1,378.96 is: 2,068.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,076.74 : 7,615.08 = 1,378.96 : x
  2. Step 2: Convert to fraction form
    5,076.74/7,615.08 = 1,378.96/x
  3. Step 3: Cross multiply
    5,076.74x = 7,615.08 × 1,378.96
  4. Step 4: Simplify right side
    5,076.74x = 10,500,871.68
  5. Step 5: Solve for x
    x = 10,500,871.68/5,076.74
  6. Step 6: Final answer
    x = 2,068.43

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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.