Home / 4,890.63-7,330.95-1,927.89

Finding the Fourth Proportional to 4,890.63, 7,330.95 and 1,927.89

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Solution

The fourth proportional to 4,890.63, 7,330.95 and 1,927.89 is: 2,889.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890.63 : 7,330.95 = 1,927.89 : x
  2. Step 2: Convert to fraction form
    4,890.63/7,330.95 = 1,927.89/x
  3. Step 3: Cross multiply
    4,890.63x = 7,330.95 × 1,927.89
  4. Step 4: Simplify right side
    4,890.63x = 14,133,265.20
  5. Step 5: Solve for x
    x = 14,133,265.20/4,890.63
  6. Step 6: Final answer
    x = 2,889.87

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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.