Home / 4,180.47-5,756.89-3,913.36

Finding the Fourth Proportional to 4,180.47, 5,756.89 and 3,913.36

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Solution

The fourth proportional to 4,180.47, 5,756.89 and 3,913.36 is: 5,389.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,180.47 : 5,756.89 = 3,913.36 : x
  2. Step 2: Convert to fraction form
    4,180.47/5,756.89 = 3,913.36/x
  3. Step 3: Cross multiply
    4,180.47x = 5,756.89 × 3,913.36
  4. Step 4: Simplify right side
    4,180.47x = 22,528,783.05
  5. Step 5: Solve for x
    x = 22,528,783.05/4,180.47
  6. Step 6: Final answer
    x = 5,389.06

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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.