Home / 8,720.66-13,075.75-3,095.59

Finding the Fourth Proportional to 8,720.66, 13,075.75 and 3,095.59

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Solution

The fourth proportional to 8,720.66, 13,075.75 and 3,095.59 is: 4,641.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,720.66 : 13,075.75 = 3,095.59 : x
  2. Step 2: Convert to fraction form
    8,720.66/13,075.75 = 3,095.59/x
  3. Step 3: Cross multiply
    8,720.66x = 13,075.75 × 3,095.59
  4. Step 4: Simplify right side
    8,720.66x = 40,477,202.12
  5. Step 5: Solve for x
    x = 40,477,202.12/8,720.66
  6. Step 6: Final answer
    x = 4,641.53

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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.