Home / 6,521.44-8,999.74-3,688.67

Finding the Fourth Proportional to 6,521.44, 8,999.74 and 3,688.67

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Solution

The fourth proportional to 6,521.44, 8,999.74 and 3,688.67 is: 5,090.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,521.44 : 8,999.74 = 3,688.67 : x
  2. Step 2: Convert to fraction form
    6,521.44/8,999.74 = 3,688.67/x
  3. Step 3: Cross multiply
    6,521.44x = 8,999.74 × 3,688.67
  4. Step 4: Simplify right side
    6,521.44x = 33,197,108.43
  5. Step 5: Solve for x
    x = 33,197,108.43/6,521.44
  6. Step 6: Final answer
    x = 5,090.46

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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.