Home / 7,394.09-10,201.40-4,877.45

Finding the Fourth Proportional to 7,394.09, 10,201.40 and 4,877.45

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Solution

The fourth proportional to 7,394.09, 10,201.40 and 4,877.45 is: 6,729.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,394.09 : 10,201.40 = 4,877.45 : x
  2. Step 2: Convert to fraction form
    7,394.09/10,201.40 = 4,877.45/x
  3. Step 3: Cross multiply
    7,394.09x = 10,201.40 × 4,877.45
  4. Step 4: Simplify right side
    7,394.09x = 49,756,794.04
  5. Step 5: Solve for x
    x = 49,756,794.04/7,394.09
  6. Step 6: Final answer
    x = 6,729.27

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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.