Home / 4,721.61-7,083.26-1,946.74

Finding the Fourth Proportional to 4,721.61, 7,083.26 and 1,946.74

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Solution

The fourth proportional to 4,721.61, 7,083.26 and 1,946.74 is: 2,920.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,721.61 : 7,083.26 = 1,946.74 : x
  2. Step 2: Convert to fraction form
    4,721.61/7,083.26 = 1,946.74/x
  3. Step 3: Cross multiply
    4,721.61x = 7,083.26 × 1,946.74
  4. Step 4: Simplify right side
    4,721.61x = 13,789,265.57
  5. Step 5: Solve for x
    x = 13,789,265.57/4,721.61
  6. Step 6: Final answer
    x = 2,920.46

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1.5x scale

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.