Home / 4,312.74-6,467.07-1,390.26

Finding the Fourth Proportional to 4,312.74, 6,467.07 and 1,390.26

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Solution

The fourth proportional to 4,312.74, 6,467.07 and 1,390.26 is: 2,084.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,312.74 : 6,467.07 = 1,390.26 : x
  2. Step 2: Convert to fraction form
    4,312.74/6,467.07 = 1,390.26/x
  3. Step 3: Cross multiply
    4,312.74x = 6,467.07 × 1,390.26
  4. Step 4: Simplify right side
    4,312.74x = 8,990,908.74
  5. Step 5: Solve for x
    x = 8,990,908.74/4,312.74
  6. Step 6: Final answer
    x = 2,084.73

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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.