Home / 4,707.21-6,491.43-3,113.13

Finding the Fourth Proportional to 4,707.21, 6,491.43 and 3,113.13

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Solution

The fourth proportional to 4,707.21, 6,491.43 and 3,113.13 is: 4,293.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,707.21 : 6,491.43 = 3,113.13 : x
  2. Step 2: Convert to fraction form
    4,707.21/6,491.43 = 3,113.13/x
  3. Step 3: Cross multiply
    4,707.21x = 6,491.43 × 3,113.13
  4. Step 4: Simplify right side
    4,707.21x = 20,208,665.48
  5. Step 5: Solve for x
    x = 20,208,665.48/4,707.21
  6. Step 6: Final answer
    x = 4,293.13

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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.