Home / 5,390.58-7,437.88-3,152.02

Finding the Fourth Proportional to 5,390.58, 7,437.88 and 3,152.02

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Solution

The fourth proportional to 5,390.58, 7,437.88 and 3,152.02 is: 4,349.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390.58 : 7,437.88 = 3,152.02 : x
  2. Step 2: Convert to fraction form
    5,390.58/7,437.88 = 3,152.02/x
  3. Step 3: Cross multiply
    5,390.58x = 7,437.88 × 3,152.02
  4. Step 4: Simplify right side
    5,390.58x = 23,444,346.52
  5. Step 5: Solve for x
    x = 23,444,346.52/5,390.58
  6. Step 6: Final answer
    x = 4,349.13

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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.