Home / 9,288.96-13,931.28-5,541.80

Finding the Fourth Proportional to 9,288.96, 13,931.28 and 5,541.80

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Solution

The fourth proportional to 9,288.96, 13,931.28 and 5,541.80 is: 8,311.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,288.96 : 13,931.28 = 5,541.80 : x
  2. Step 2: Convert to fraction form
    9,288.96/13,931.28 = 5,541.80/x
  3. Step 3: Cross multiply
    9,288.96x = 13,931.28 × 5,541.80
  4. Step 4: Simplify right side
    9,288.96x = 77,204,297.85
  5. Step 5: Solve for x
    x = 77,204,297.85/9,288.96
  6. Step 6: Final answer
    x = 8,311.40

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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.