Home / 6,720.32-10,080.45-2,559.35

Finding the Fourth Proportional to 6,720.32, 10,080.45 and 2,559.35

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Solution

The fourth proportional to 6,720.32, 10,080.45 and 2,559.35 is: 3,839.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,720.32 : 10,080.45 = 2,559.35 : x
  2. Step 2: Convert to fraction form
    6,720.32/10,080.45 = 2,559.35/x
  3. Step 3: Cross multiply
    6,720.32x = 10,080.45 × 2,559.35
  4. Step 4: Simplify right side
    6,720.32x = 25,799,399.71
  5. Step 5: Solve for x
    x = 25,799,399.71/6,720.32
  6. Step 6: Final answer
    x = 3,839.01

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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.