Home / 5,453.15-8,172.85-2,329.46

Finding the Fourth Proportional to 5,453.15, 8,172.85 and 2,329.46

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Solution

The fourth proportional to 5,453.15, 8,172.85 and 2,329.46 is: 3,491.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,453.15 : 8,172.85 = 2,329.46 : x
  2. Step 2: Convert to fraction form
    5,453.15/8,172.85 = 2,329.46/x
  3. Step 3: Cross multiply
    5,453.15x = 8,172.85 × 2,329.46
  4. Step 4: Simplify right side
    5,453.15x = 19,038,315.49
  5. Step 5: Solve for x
    x = 19,038,315.49/5,453.15
  6. Step 6: Final answer
    x = 3,491.25

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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.