Home / 7,905.79-10,911.08-4,548.54

Finding the Fourth Proportional to 7,905.79, 10,911.08 and 4,548.54

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Solution

The fourth proportional to 7,905.79, 10,911.08 and 4,548.54 is: 6,277.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,905.79 : 10,911.08 = 4,548.54 : x
  2. Step 2: Convert to fraction form
    7,905.79/10,911.08 = 4,548.54/x
  3. Step 3: Cross multiply
    7,905.79x = 10,911.08 × 4,548.54
  4. Step 4: Simplify right side
    7,905.79x = 49,629,461.08
  5. Step 5: Solve for x
    x = 49,629,461.08/7,905.79
  6. Step 6: Final answer
    x = 6,277.61

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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.