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Finding the Fourth Proportional to 8,048.60, 12,075.80 and 3,605.90

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Solution

The fourth proportional to 8,048.60, 12,075.80 and 3,605.90 is: 5,410.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,048.60 : 12,075.80 = 3,605.90 : x
  2. Step 2: Convert to fraction form
    8,048.60/12,075.80 = 3,605.90/x
  3. Step 3: Cross multiply
    8,048.60x = 12,075.80 × 3,605.90
  4. Step 4: Simplify right side
    8,048.60x = 43,544,127.22
  5. Step 5: Solve for x
    x = 43,544,127.22/8,048.60
  6. Step 6: Final answer
    x = 5,410.15

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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.