Home / 4,288.48-6,428.34-2,901.96

Finding the Fourth Proportional to 4,288.48, 6,428.34 and 2,901.96

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Solution

The fourth proportional to 4,288.48, 6,428.34 and 2,901.96 is: 4,349.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,288.48 : 6,428.34 = 2,901.96 : x
  2. Step 2: Convert to fraction form
    4,288.48/6,428.34 = 2,901.96/x
  3. Step 3: Cross multiply
    4,288.48x = 6,428.34 × 2,901.96
  4. Step 4: Simplify right side
    4,288.48x = 18,654,785.55
  5. Step 5: Solve for x
    x = 18,654,785.55/4,288.48
  6. Step 6: Final answer
    x = 4,349.98

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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.