Home / 8,353.72-11,529.30-5,210.92

Finding the Fourth Proportional to 8,353.72, 11,529.30 and 5,210.92

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Solution

The fourth proportional to 8,353.72, 11,529.30 and 5,210.92 is: 7,191.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,353.72 : 11,529.30 = 5,210.92 : x
  2. Step 2: Convert to fraction form
    8,353.72/11,529.30 = 5,210.92/x
  3. Step 3: Cross multiply
    8,353.72x = 11,529.30 × 5,210.92
  4. Step 4: Simplify right side
    8,353.72x = 60,078,259.96
  5. Step 5: Solve for x
    x = 60,078,259.96/8,353.72
  6. Step 6: Final answer
    x = 7,191.80

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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.