Home / 5,085.44-7,629.28-1,527.40

Finding the Fourth Proportional to 5,085.44, 7,629.28 and 1,527.40

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Solution

The fourth proportional to 5,085.44, 7,629.28 and 1,527.40 is: 2,291.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,085.44 : 7,629.28 = 1,527.40 : x
  2. Step 2: Convert to fraction form
    5,085.44/7,629.28 = 1,527.40/x
  3. Step 3: Cross multiply
    5,085.44x = 7,629.28 × 1,527.40
  4. Step 4: Simplify right side
    5,085.44x = 11,652,954.64
  5. Step 5: Solve for x
    x = 11,652,954.64/5,085.44
  6. Step 6: Final answer
    x = 2,291.43

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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.