Home / 6,731.21-10,118.69-6,698.41

Finding the Fourth Proportional to 6,731.21, 10,118.69 and 6,698.41

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Solution

The fourth proportional to 6,731.21, 10,118.69 and 6,698.41 is: 10,069.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,731.21 : 10,118.69 = 6,698.41 : x
  2. Step 2: Convert to fraction form
    6,731.21/10,118.69 = 6,698.41/x
  3. Step 3: Cross multiply
    6,731.21x = 10,118.69 × 6,698.41
  4. Step 4: Simplify right side
    6,731.21x = 67,779,100.61
  5. Step 5: Solve for x
    x = 67,779,100.61/6,731.21
  6. Step 6: Final answer
    x = 10,069.37

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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.