Home / 7,719.34-11,576.26-3,334.40

Finding the Fourth Proportional to 7,719.34, 11,576.26 and 3,334.40

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Solution

The fourth proportional to 7,719.34, 11,576.26 and 3,334.40 is: 5,000.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,719.34 : 11,576.26 = 3,334.40 : x
  2. Step 2: Convert to fraction form
    7,719.34/11,576.26 = 3,334.40/x
  3. Step 3: Cross multiply
    7,719.34x = 11,576.26 × 3,334.40
  4. Step 4: Simplify right side
    7,719.34x = 38,599,881.34
  5. Step 5: Solve for x
    x = 38,599,881.34/7,719.34
  6. Step 6: Final answer
    x = 5,000.41

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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.