Home / 5,388.52-7,436.08-3,030.66

Finding the Fourth Proportional to 5,388.52, 7,436.08 and 3,030.66

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Solution

The fourth proportional to 5,388.52, 7,436.08 and 3,030.66 is: 4,182.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388.52 : 7,436.08 = 3,030.66 : x
  2. Step 2: Convert to fraction form
    5,388.52/7,436.08 = 3,030.66/x
  3. Step 3: Cross multiply
    5,388.52x = 7,436.08 × 3,030.66
  4. Step 4: Simplify right side
    5,388.52x = 22,536,185.46
  5. Step 5: Solve for x
    x = 22,536,185.46/5,388.52
  6. Step 6: Final answer
    x = 4,182.26

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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.