Home / 7,261.08-10,899.82-2,881.61

Finding the Fourth Proportional to 7,261.08, 10,899.82 and 2,881.61

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Solution

The fourth proportional to 7,261.08, 10,899.82 and 2,881.61 is: 4,325.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,261.08 : 10,899.82 = 2,881.61 : x
  2. Step 2: Convert to fraction form
    7,261.08/10,899.82 = 2,881.61/x
  3. Step 3: Cross multiply
    7,261.08x = 10,899.82 × 2,881.61
  4. Step 4: Simplify right side
    7,261.08x = 31,409,030.31
  5. Step 5: Solve for x
    x = 31,409,030.31/7,261.08
  6. Step 6: Final answer
    x = 4,325.67

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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.