Home / 7,364.90-10,166.85-4,381.78

Finding the Fourth Proportional to 7,364.90, 10,166.85 and 4,381.78

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Solution

The fourth proportional to 7,364.90, 10,166.85 and 4,381.78 is: 6,048.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,364.90 : 10,166.85 = 4,381.78 : x
  2. Step 2: Convert to fraction form
    7,364.90/10,166.85 = 4,381.78/x
  3. Step 3: Cross multiply
    7,364.90x = 10,166.85 × 4,381.78
  4. Step 4: Simplify right side
    7,364.90x = 44,548,849.16
  5. Step 5: Solve for x
    x = 44,548,849.16/7,364.90
  6. Step 6: Final answer
    x = 6,048.81

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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.