Home / 4,890.47-6,748.79-2,652.31

Finding the Fourth Proportional to 4,890.47, 6,748.79 and 2,652.31

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Solution

The fourth proportional to 4,890.47, 6,748.79 and 2,652.31 is: 3,660.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890.47 : 6,748.79 = 2,652.31 : x
  2. Step 2: Convert to fraction form
    4,890.47/6,748.79 = 2,652.31/x
  3. Step 3: Cross multiply
    4,890.47x = 6,748.79 × 2,652.31
  4. Step 4: Simplify right side
    4,890.47x = 17,899,872.96
  5. Step 5: Solve for x
    x = 17,899,872.96/4,890.47
  6. Step 6: Final answer
    x = 3,660.15

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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.