Home / 5,431.54-8,146.29-1,535.92

Finding the Fourth Proportional to 5,431.54, 8,146.29 and 1,535.92

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Solution

The fourth proportional to 5,431.54, 8,146.29 and 1,535.92 is: 2,303.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431.54 : 8,146.29 = 1,535.92 : x
  2. Step 2: Convert to fraction form
    5,431.54/8,146.29 = 1,535.92/x
  3. Step 3: Cross multiply
    5,431.54x = 8,146.29 × 1,535.92
  4. Step 4: Simplify right side
    5,431.54x = 12,512,049.74
  5. Step 5: Solve for x
    x = 12,512,049.74/5,431.54
  6. Step 6: Final answer
    x = 2,303.59

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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.