Home / 4,490.47-6,716.95-3,156.18

Finding the Fourth Proportional to 4,490.47, 6,716.95 and 3,156.18

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Solution

The fourth proportional to 4,490.47, 6,716.95 and 3,156.18 is: 4,721.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,490.47 : 6,716.95 = 3,156.18 : x
  2. Step 2: Convert to fraction form
    4,490.47/6,716.95 = 3,156.18/x
  3. Step 3: Cross multiply
    4,490.47x = 6,716.95 × 3,156.18
  4. Step 4: Simplify right side
    4,490.47x = 21,199,903.25
  5. Step 5: Solve for x
    x = 21,199,903.25/4,490.47
  6. Step 6: Final answer
    x = 4,721.09

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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.