Home / 6,143.56-9,215.40-1,526.56

Finding the Fourth Proportional to 6,143.56, 9,215.40 and 1,526.56

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Solution

The fourth proportional to 6,143.56, 9,215.40 and 1,526.56 is: 2,289.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,143.56 : 9,215.40 = 1,526.56 : x
  2. Step 2: Convert to fraction form
    6,143.56/9,215.40 = 1,526.56/x
  3. Step 3: Cross multiply
    6,143.56x = 9,215.40 × 1,526.56
  4. Step 4: Simplify right side
    6,143.56x = 14,067,861.02
  5. Step 5: Solve for x
    x = 14,067,861.02/6,143.56
  6. Step 6: Final answer
    x = 2,289.85

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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.