Home / 7,481.21-10,312.74-6,152.61

Finding the Fourth Proportional to 7,481.21, 10,312.74 and 6,152.61

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Solution

The fourth proportional to 7,481.21, 10,312.74 and 6,152.61 is: 8,481.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,481.21 : 10,312.74 = 6,152.61 : x
  2. Step 2: Convert to fraction form
    7,481.21/10,312.74 = 6,152.61/x
  3. Step 3: Cross multiply
    7,481.21x = 10,312.74 × 6,152.61
  4. Step 4: Simplify right side
    7,481.21x = 63,450,265.22
  5. Step 5: Solve for x
    x = 63,450,265.22/7,481.21
  6. Step 6: Final answer
    x = 8,481.28

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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.