Home / 5,064.88-6,989.19-2,911.50

Finding the Fourth Proportional to 5,064.88, 6,989.19 and 2,911.50

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Solution

The fourth proportional to 5,064.88, 6,989.19 and 2,911.50 is: 4,017.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,064.88 : 6,989.19 = 2,911.50 : x
  2. Step 2: Convert to fraction form
    5,064.88/6,989.19 = 2,911.50/x
  3. Step 3: Cross multiply
    5,064.88x = 6,989.19 × 2,911.50
  4. Step 4: Simplify right side
    5,064.88x = 20,349,026.69
  5. Step 5: Solve for x
    x = 20,349,026.69/5,064.88
  6. Step 6: Final answer
    x = 4,017.67

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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.