Home / 7,930.22-10,943.70-4,393.40

Finding the Fourth Proportional to 7,930.22, 10,943.70 and 4,393.40

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Solution

The fourth proportional to 7,930.22, 10,943.70 and 4,393.40 is: 6,062.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,930.22 : 10,943.70 = 4,393.40 : x
  2. Step 2: Convert to fraction form
    7,930.22/10,943.70 = 4,393.40/x
  3. Step 3: Cross multiply
    7,930.22x = 10,943.70 × 4,393.40
  4. Step 4: Simplify right side
    7,930.22x = 48,080,051.58
  5. Step 5: Solve for x
    x = 48,080,051.58/7,930.22
  6. Step 6: Final answer
    x = 6,062.89

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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.