Home / 7,929.63-10,942.88-4,393.07

Finding the Fourth Proportional to 7,929.63, 10,942.88 and 4,393.07

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Solution

The fourth proportional to 7,929.63, 10,942.88 and 4,393.07 is: 6,062.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,929.63 : 10,942.88 = 4,393.07 : x
  2. Step 2: Convert to fraction form
    7,929.63/10,942.88 = 4,393.07/x
  3. Step 3: Cross multiply
    7,929.63x = 10,942.88 × 4,393.07
  4. Step 4: Simplify right side
    7,929.63x = 48,072,837.84
  5. Step 5: Solve for x
    x = 48,072,837.84/7,929.63
  6. Step 6: Final answer
    x = 6,062.43

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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.