Home / 7,730.51-10,668.13-4,193.78

Finding the Fourth Proportional to 7,730.51, 10,668.13 and 4,193.78

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Solution

The fourth proportional to 7,730.51, 10,668.13 and 4,193.78 is: 5,787.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,730.51 : 10,668.13 = 4,193.78 : x
  2. Step 2: Convert to fraction form
    7,730.51/10,668.13 = 4,193.78/x
  3. Step 3: Cross multiply
    7,730.51x = 10,668.13 × 4,193.78
  4. Step 4: Simplify right side
    7,730.51x = 44,739,726.41
  5. Step 5: Solve for x
    x = 44,739,726.41/7,730.51
  6. Step 6: Final answer
    x = 5,787.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.