Home / 7,929.26-10,943.00-4,392.80

Finding the Fourth Proportional to 7,929.26, 10,943.00 and 4,392.80

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Solution

The fourth proportional to 7,929.26, 10,943.00 and 4,392.80 is: 6,062.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,929.26 : 10,943.00 = 4,392.80 : x
  2. Step 2: Convert to fraction form
    7,929.26/10,943.00 = 4,392.80/x
  3. Step 3: Cross multiply
    7,929.26x = 10,943.00 × 4,392.80
  4. Step 4: Simplify right side
    7,929.26x = 48,070,333.72
  5. Step 5: Solve for x
    x = 48,070,333.72/7,929.26
  6. Step 6: Final answer
    x = 6,062.40

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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.