Home / 4,709.49-6,500.28-2,721.20

Finding the Fourth Proportional to 4,709.49, 6,500.28 and 2,721.20

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Solution

The fourth proportional to 4,709.49, 6,500.28 and 2,721.20 is: 3,755.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,709.49 : 6,500.28 = 2,721.20 : x
  2. Step 2: Convert to fraction form
    4,709.49/6,500.28 = 2,721.20/x
  3. Step 3: Cross multiply
    4,709.49x = 6,500.28 × 2,721.20
  4. Step 4: Simplify right side
    4,709.49x = 17,688,548.33
  5. Step 5: Solve for x
    x = 17,688,548.33/4,709.49
  6. Step 6: Final answer
    x = 3,755.94

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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.