Home / 5,628.64-8,437.74-1,929.99

Finding the Fourth Proportional to 5,628.64, 8,437.74 and 1,929.99

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Solution

The fourth proportional to 5,628.64, 8,437.74 and 1,929.99 is: 2,893.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,628.64 : 8,437.74 = 1,929.99 : x
  2. Step 2: Convert to fraction form
    5,628.64/8,437.74 = 1,929.99/x
  3. Step 3: Cross multiply
    5,628.64x = 8,437.74 × 1,929.99
  4. Step 4: Simplify right side
    5,628.64x = 16,284,753.82
  5. Step 5: Solve for x
    x = 16,284,753.82/5,628.64
  6. Step 6: Final answer
    x = 2,893.20

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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.