Home / 7,146.10-9,860.44-4,491.63

Finding the Fourth Proportional to 7,146.10, 9,860.44 and 4,491.63

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Solution

The fourth proportional to 7,146.10, 9,860.44 and 4,491.63 is: 6,197.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,146.10 : 9,860.44 = 4,491.63 : x
  2. Step 2: Convert to fraction form
    7,146.10/9,860.44 = 4,491.63/x
  3. Step 3: Cross multiply
    7,146.10x = 9,860.44 × 4,491.63
  4. Step 4: Simplify right side
    7,146.10x = 44,289,448.12
  5. Step 5: Solve for x
    x = 44,289,448.12/7,146.10
  6. Step 6: Final answer
    x = 6,197.71

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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.