Home / 8,330.56-11,484.26-5,141.72

Finding the Fourth Proportional to 8,330.56, 11,484.26 and 5,141.72

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Solution

The fourth proportional to 8,330.56, 11,484.26 and 5,141.72 is: 7,088.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,330.56 : 11,484.26 = 5,141.72 : x
  2. Step 2: Convert to fraction form
    8,330.56/11,484.26 = 5,141.72/x
  3. Step 3: Cross multiply
    8,330.56x = 11,484.26 × 5,141.72
  4. Step 4: Simplify right side
    8,330.56x = 59,048,849.33
  5. Step 5: Solve for x
    x = 59,048,849.33/8,330.56
  6. Step 6: Final answer
    x = 7,088.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.