Home / 4,200.48-6,298.56-1,890.72

Finding the Fourth Proportional to 4,200.48, 6,298.56 and 1,890.72

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Solution

The fourth proportional to 4,200.48, 6,298.56 and 1,890.72 is: 2,835.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,200.48 : 6,298.56 = 1,890.72 : x
  2. Step 2: Convert to fraction form
    4,200.48/6,298.56 = 1,890.72/x
  3. Step 3: Cross multiply
    4,200.48x = 6,298.56 × 1,890.72
  4. Step 4: Simplify right side
    4,200.48x = 11,908,813.36
  5. Step 5: Solve for x
    x = 11,908,813.36/4,200.48
  6. Step 6: Final answer
    x = 2,835.11

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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.