Home / 7,137.16-10,736.46-6,123.40

Finding the Fourth Proportional to 7,137.16, 10,736.46 and 6,123.40

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Solution

The fourth proportional to 7,137.16, 10,736.46 and 6,123.40 is: 9,211.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,137.16 : 10,736.46 = 6,123.40 : x
  2. Step 2: Convert to fraction form
    7,137.16/10,736.46 = 6,123.40/x
  3. Step 3: Cross multiply
    7,137.16x = 10,736.46 × 6,123.40
  4. Step 4: Simplify right side
    7,137.16x = 65,743,639.16
  5. Step 5: Solve for x
    x = 65,743,639.16/7,137.16
  6. Step 6: Final answer
    x = 9,211.46

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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.