Home / 7,394.21-10,201.57-4,877.58

Finding the Fourth Proportional to 7,394.21, 10,201.57 and 4,877.58

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Solution

The fourth proportional to 7,394.21, 10,201.57 and 4,877.58 is: 6,729.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,394.21 : 10,201.57 = 4,877.58 : x
  2. Step 2: Convert to fraction form
    7,394.21/10,201.57 = 4,877.58/x
  3. Step 3: Cross multiply
    7,394.21x = 10,201.57 × 4,877.58
  4. Step 4: Simplify right side
    7,394.21x = 49,758,973.80
  5. Step 5: Solve for x
    x = 49,758,973.80/7,394.21
  6. Step 6: Final answer
    x = 6,729.45

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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.