Home / 5,290.91-7,302.76-3,054.12

Finding the Fourth Proportional to 5,290.91, 7,302.76 and 3,054.12

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Solution

The fourth proportional to 5,290.91, 7,302.76 and 3,054.12 is: 4,215.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,290.91 : 7,302.76 = 3,054.12 : x
  2. Step 2: Convert to fraction form
    5,290.91/7,302.76 = 3,054.12/x
  3. Step 3: Cross multiply
    5,290.91x = 7,302.76 × 3,054.12
  4. Step 4: Simplify right side
    5,290.91x = 22,303,497.74
  5. Step 5: Solve for x
    x = 22,303,497.74/5,290.91
  6. Step 6: Final answer
    x = 4,215.44

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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.