Home / 4,356.78-6,530.71-1,889.52

Finding the Fourth Proportional to 4,356.78, 6,530.71 and 1,889.52

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Solution

The fourth proportional to 4,356.78, 6,530.71 and 1,889.52 is: 2,832.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,356.78 : 6,530.71 = 1,889.52 : x
  2. Step 2: Convert to fraction form
    4,356.78/6,530.71 = 1,889.52/x
  3. Step 3: Cross multiply
    4,356.78x = 6,530.71 × 1,889.52
  4. Step 4: Simplify right side
    4,356.78x = 12,339,907.16
  5. Step 5: Solve for x
    x = 12,339,907.16/4,356.78
  6. Step 6: Final answer
    x = 2,832.35

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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.