Home / 6,412.16-9,612.71-2,515.64

Finding the Fourth Proportional to 6,412.16, 9,612.71 and 2,515.64

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Solution

The fourth proportional to 6,412.16, 9,612.71 and 2,515.64 is: 3,771.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,412.16 : 9,612.71 = 2,515.64 : x
  2. Step 2: Convert to fraction form
    6,412.16/9,612.71 = 2,515.64/x
  3. Step 3: Cross multiply
    6,412.16x = 9,612.71 × 2,515.64
  4. Step 4: Simplify right side
    6,412.16x = 24,182,057.14
  5. Step 5: Solve for x
    x = 24,182,057.14/6,412.16
  6. Step 6: Final answer
    x = 3,771.28

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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.