Home / 4,890.60-6,749.09-2,652.50

Finding the Fourth Proportional to 4,890.60, 6,749.09 and 2,652.50

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Solution

The fourth proportional to 4,890.60, 6,749.09 and 2,652.50 is: 3,660.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890.60 : 6,749.09 = 2,652.50 : x
  2. Step 2: Convert to fraction form
    4,890.60/6,749.09 = 2,652.50/x
  3. Step 3: Cross multiply
    4,890.60x = 6,749.09 × 2,652.50
  4. Step 4: Simplify right side
    4,890.60x = 17,901,914.22
  5. Step 5: Solve for x
    x = 17,901,914.22/4,890.60
  6. Step 6: Final answer
    x = 3,660.47

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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.