Home / 6,343.99-9,515.14-1,664.35

Finding the Fourth Proportional to 6,343.99, 9,515.14 and 1,664.35

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Solution

The fourth proportional to 6,343.99, 9,515.14 and 1,664.35 is: 2,496.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,343.99 : 9,515.14 = 1,664.35 : x
  2. Step 2: Convert to fraction form
    6,343.99/9,515.14 = 1,664.35/x
  3. Step 3: Cross multiply
    6,343.99x = 9,515.14 × 1,664.35
  4. Step 4: Simplify right side
    6,343.99x = 15,836,495.31
  5. Step 5: Solve for x
    x = 15,836,495.31/6,343.99
  6. Step 6: Final answer
    x = 2,496.30

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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.