Home / 7,930.07-10,943.46-4,393.20

Finding the Fourth Proportional to 7,930.07, 10,943.46 and 4,393.20

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Solution

The fourth proportional to 7,930.07, 10,943.46 and 4,393.20 is: 6,062.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,930.07 : 10,943.46 = 4,393.20 : x
  2. Step 2: Convert to fraction form
    7,930.07/10,943.46 = 4,393.20/x
  3. Step 3: Cross multiply
    7,930.07x = 10,943.46 × 4,393.20
  4. Step 4: Simplify right side
    7,930.07x = 48,076,808.47
  5. Step 5: Solve for x
    x = 48,076,808.47/7,930.07
  6. Step 6: Final answer
    x = 6,062.60

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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.