Home / 4,895.30-6,756.55-3,126.60

Finding the Fourth Proportional to 4,895.30, 6,756.55 and 3,126.60

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Solution

The fourth proportional to 4,895.30, 6,756.55 and 3,126.60 is: 4,315.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,895.30 : 6,756.55 = 3,126.60 : x
  2. Step 2: Convert to fraction form
    4,895.30/6,756.55 = 3,126.60/x
  3. Step 3: Cross multiply
    4,895.30x = 6,756.55 × 3,126.60
  4. Step 4: Simplify right side
    4,895.30x = 21,125,021.41
  5. Step 5: Solve for x
    x = 21,125,021.41/4,895.30
  6. Step 6: Final answer
    x = 4,315.37

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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.