Home / 4,283.16-6,428.40-1,946.72

Finding the Fourth Proportional to 4,283.16, 6,428.40 and 1,946.72

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Solution

The fourth proportional to 4,283.16, 6,428.40 and 1,946.72 is: 2,921.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,283.16 : 6,428.40 = 1,946.72 : x
  2. Step 2: Convert to fraction form
    4,283.16/6,428.40 = 1,946.72/x
  3. Step 3: Cross multiply
    4,283.16x = 6,428.40 × 1,946.72
  4. Step 4: Simplify right side
    4,283.16x = 12,514,294.85
  5. Step 5: Solve for x
    x = 12,514,294.85/4,283.16
  6. Step 6: Final answer
    x = 2,921.74

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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.