Home / 6,312.21-8,710.86-3,661.17

Finding the Fourth Proportional to 6,312.21, 8,710.86 and 3,661.17

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Solution

The fourth proportional to 6,312.21, 8,710.86 and 3,661.17 is: 5,052.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,312.21 : 8,710.86 = 3,661.17 : x
  2. Step 2: Convert to fraction form
    6,312.21/8,710.86 = 3,661.17/x
  3. Step 3: Cross multiply
    6,312.21x = 8,710.86 × 3,661.17
  4. Step 4: Simplify right side
    6,312.21x = 31,891,939.31
  5. Step 5: Solve for x
    x = 31,891,939.31/6,312.21
  6. Step 6: Final answer
    x = 5,052.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.