Home / 7,372.42-11,058.72-2,178.40

Finding the Fourth Proportional to 7,372.42, 11,058.72 and 2,178.40

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Solution

The fourth proportional to 7,372.42, 11,058.72 and 2,178.40 is: 3,267.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,372.42 : 11,058.72 = 2,178.40 : x
  2. Step 2: Convert to fraction form
    7,372.42/11,058.72 = 2,178.40/x
  3. Step 3: Cross multiply
    7,372.42x = 11,058.72 × 2,178.40
  4. Step 4: Simplify right side
    7,372.42x = 24,090,315.65
  5. Step 5: Solve for x
    x = 24,090,315.65/7,372.42
  6. Step 6: Final answer
    x = 3,267.63

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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.