Home / 5,388-7,436.14-3,030.18

Finding the Fourth Proportional to 5,388, 7,436.14 and 3,030.18

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Solution

The fourth proportional to 5,388, 7,436.14 and 3,030.18 is: 4,182.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388 : 7,436.14 = 3,030.18 : x
  2. Step 2: Convert to fraction form
    5,388/7,436.14 = 3,030.18/x
  3. Step 3: Cross multiply
    5,388x = 7,436.14 × 3,030.18
  4. Step 4: Simplify right side
    5,388x = 22,532,842.71
  5. Step 5: Solve for x
    x = 22,532,842.71/5,388
  6. Step 6: Final answer
    x = 4,182.04

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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.