Home / 5,388.95-7,437.40-3,030.64

Finding the Fourth Proportional to 5,388.95, 7,437.40 and 3,030.64

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Solution

The fourth proportional to 5,388.95, 7,437.40 and 3,030.64 is: 4,182.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388.95 : 7,437.40 = 3,030.64 : x
  2. Step 2: Convert to fraction form
    5,388.95/7,437.40 = 3,030.64/x
  3. Step 3: Cross multiply
    5,388.95x = 7,437.40 × 3,030.64
  4. Step 4: Simplify right side
    5,388.95x = 22,540,055.77
  5. Step 5: Solve for x
    x = 22,540,055.77/5,388.95
  6. Step 6: Final answer
    x = 4,182.64

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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.