Home / 8,722.47-13,075.24-3,455.73

Finding the Fourth Proportional to 8,722.47, 13,075.24 and 3,455.73

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Solution

The fourth proportional to 8,722.47, 13,075.24 and 3,455.73 is: 5,180.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,722.47 : 13,075.24 = 3,455.73 : x
  2. Step 2: Convert to fraction form
    8,722.47/13,075.24 = 3,455.73/x
  3. Step 3: Cross multiply
    8,722.47x = 13,075.24 × 3,455.73
  4. Step 4: Simplify right side
    8,722.47x = 45,184,499.13
  5. Step 5: Solve for x
    x = 45,184,499.13/8,722.47
  6. Step 6: Final answer
    x = 5,180.24

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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.