Home / 4,312.80-6,467.53-1,679.93

Finding the Fourth Proportional to 4,312.80, 6,467.53 and 1,679.93

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Solution

The fourth proportional to 4,312.80, 6,467.53 and 1,679.93 is: 2,519.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,312.80 : 6,467.53 = 1,679.93 : x
  2. Step 2: Convert to fraction form
    4,312.80/6,467.53 = 1,679.93/x
  3. Step 3: Cross multiply
    4,312.80x = 6,467.53 × 1,679.93
  4. Step 4: Simplify right side
    4,312.80x = 10,864,997.67
  5. Step 5: Solve for x
    x = 10,864,997.67/4,312.80
  6. Step 6: Final answer
    x = 2,519.24

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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.