Home / 7,214.93-9,953.85-4,381.22

Finding the Fourth Proportional to 7,214.93, 9,953.85 and 4,381.22

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Solution

The fourth proportional to 7,214.93, 9,953.85 and 4,381.22 is: 6,044.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,214.93 : 9,953.85 = 4,381.22 : x
  2. Step 2: Convert to fraction form
    7,214.93/9,953.85 = 4,381.22/x
  3. Step 3: Cross multiply
    7,214.93x = 9,953.85 × 4,381.22
  4. Step 4: Simplify right side
    7,214.93x = 43,610,048.01
  5. Step 5: Solve for x
    x = 43,610,048.01/7,214.93
  6. Step 6: Final answer
    x = 6,044.42

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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.