Home / 5,386.24-8,078.34-1,437.52

Finding the Fourth Proportional to 5,386.24, 8,078.34 and 1,437.52

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Solution

The fourth proportional to 5,386.24, 8,078.34 and 1,437.52 is: 2,156.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,386.24 : 8,078.34 = 1,437.52 : x
  2. Step 2: Convert to fraction form
    5,386.24/8,078.34 = 1,437.52/x
  3. Step 3: Cross multiply
    5,386.24x = 8,078.34 × 1,437.52
  4. Step 4: Simplify right side
    5,386.24x = 11,612,775.32
  5. Step 5: Solve for x
    x = 11,612,775.32/5,386.24
  6. Step 6: Final answer
    x = 2,156.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.