Home / 7,731.84-10,669.08-4,747.80

Finding the Fourth Proportional to 7,731.84, 10,669.08 and 4,747.80

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Solution

The fourth proportional to 7,731.84, 10,669.08 and 4,747.80 is: 6,551.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,731.84 : 10,669.08 = 4,747.80 : x
  2. Step 2: Convert to fraction form
    7,731.84/10,669.08 = 4,747.80/x
  3. Step 3: Cross multiply
    7,731.84x = 10,669.08 × 4,747.80
  4. Step 4: Simplify right side
    7,731.84x = 50,654,658.02
  5. Step 5: Solve for x
    x = 50,654,658.02/7,731.84
  6. Step 6: Final answer
    x = 6,551.44

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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.