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Finding the Fourth Proportional to 7,014.34, 9,679.08 and 4,029.46

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Solution

The fourth proportional to 7,014.34, 9,679.08 and 4,029.46 is: 5,560.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,014.34 : 9,679.08 = 4,029.46 : x
  2. Step 2: Convert to fraction form
    7,014.34/9,679.08 = 4,029.46/x
  3. Step 3: Cross multiply
    7,014.34x = 9,679.08 × 4,029.46
  4. Step 4: Simplify right side
    7,014.34x = 39,001,465.70
  5. Step 5: Solve for x
    x = 39,001,465.70/7,014.34
  6. Step 6: Final answer
    x = 5,560.25

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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.