Home / 7,756.10-11,627.28-3,079.38

Finding the Fourth Proportional to 7,756.10, 11,627.28 and 3,079.38

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Solution

The fourth proportional to 7,756.10, 11,627.28 and 3,079.38 is: 4,616.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,756.10 : 11,627.28 = 3,079.38 : x
  2. Step 2: Convert to fraction form
    7,756.10/11,627.28 = 3,079.38/x
  3. Step 3: Cross multiply
    7,756.10x = 11,627.28 × 3,079.38
  4. Step 4: Simplify right side
    7,756.10x = 35,804,813.49
  5. Step 5: Solve for x
    x = 35,804,813.49/7,756.10
  6. Step 6: Final answer
    x = 4,616.35

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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.