Home / 8,152.40-11,230.16-6,953.48

Finding the Fourth Proportional to 8,152.40, 11,230.16 and 6,953.48

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Solution

The fourth proportional to 8,152.40, 11,230.16 and 6,953.48 is: 9,578.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,152.40 : 11,230.16 = 6,953.48 : x
  2. Step 2: Convert to fraction form
    8,152.40/11,230.16 = 6,953.48/x
  3. Step 3: Cross multiply
    8,152.40x = 11,230.16 × 6,953.48
  4. Step 4: Simplify right side
    8,152.40x = 78,088,692.96
  5. Step 5: Solve for x
    x = 78,088,692.96/8,152.40
  6. Step 6: Final answer
    x = 9,578.61

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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.