Home / 6,430.11-8,872.94-3,597.34

Finding the Fourth Proportional to 6,430.11, 8,872.94 and 3,597.34

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Solution

The fourth proportional to 6,430.11, 8,872.94 and 3,597.34 is: 4,963.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,430.11 : 8,872.94 = 3,597.34 : x
  2. Step 2: Convert to fraction form
    6,430.11/8,872.94 = 3,597.34/x
  3. Step 3: Cross multiply
    6,430.11x = 8,872.94 × 3,597.34
  4. Step 4: Simplify right side
    6,430.11x = 31,918,981.98
  5. Step 5: Solve for x
    x = 31,918,981.98/6,430.11
  6. Step 6: Final answer
    x = 4,963.99

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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.