Home / 7,731.43-10,669.40-4,194.63

Finding the Fourth Proportional to 7,731.43, 10,669.40 and 4,194.63

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Solution

The fourth proportional to 7,731.43, 10,669.40 and 4,194.63 is: 5,788.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,731.43 : 10,669.40 = 4,194.63 : x
  2. Step 2: Convert to fraction form
    7,731.43/10,669.40 = 4,194.63/x
  3. Step 3: Cross multiply
    7,731.43x = 10,669.40 × 4,194.63
  4. Step 4: Simplify right side
    7,731.43x = 44,754,191.02
  5. Step 5: Solve for x
    x = 44,754,191.02/7,731.43
  6. Step 6: Final answer
    x = 5,788.60

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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.