Home / 6,130.82-8,460.45-3,772.91

Finding the Fourth Proportional to 6,130.82, 8,460.45 and 3,772.91

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Solution

The fourth proportional to 6,130.82, 8,460.45 and 3,772.91 is: 5,206.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,130.82 : 8,460.45 = 3,772.91 : x
  2. Step 2: Convert to fraction form
    6,130.82/8,460.45 = 3,772.91/x
  3. Step 3: Cross multiply
    6,130.82x = 8,460.45 × 3,772.91
  4. Step 4: Simplify right side
    6,130.82x = 31,920,537.56
  5. Step 5: Solve for x
    x = 31,920,537.56/6,130.82
  6. Step 6: Final answer
    x = 5,206.57

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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.