Home / 7,137.14-10,679.42-4,315.92

Finding the Fourth Proportional to 7,137.14, 10,679.42 and 4,315.92

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Solution

The fourth proportional to 7,137.14, 10,679.42 and 4,315.92 is: 6,457.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,137.14 : 10,679.42 = 4,315.92 : x
  2. Step 2: Convert to fraction form
    7,137.14/10,679.42 = 4,315.92/x
  3. Step 3: Cross multiply
    7,137.14x = 10,679.42 × 4,315.92
  4. Step 4: Simplify right side
    7,137.14x = 46,091,522.37
  5. Step 5: Solve for x
    x = 46,091,522.37/7,137.14
  6. Step 6: Final answer
    x = 6,457.98

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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.