Home / 4,291.07-6,428.39-2,897.54

Finding the Fourth Proportional to 4,291.07, 6,428.39 and 2,897.54

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Solution

The fourth proportional to 4,291.07, 6,428.39 and 2,897.54 is: 4,340.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,291.07 : 6,428.39 = 2,897.54 : x
  2. Step 2: Convert to fraction form
    4,291.07/6,428.39 = 2,897.54/x
  3. Step 3: Cross multiply
    4,291.07x = 6,428.39 × 2,897.54
  4. Step 4: Simplify right side
    4,291.07x = 18,626,485.02
  5. Step 5: Solve for x
    x = 18,626,485.02/4,291.07
  6. Step 6: Final answer
    x = 4,340.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.