Home / 4,874.91-7,312.73-1,412.43

Finding the Fourth Proportional to 4,874.91, 7,312.73 and 1,412.43

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Solution

The fourth proportional to 4,874.91, 7,312.73 and 1,412.43 is: 2,118.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,874.91 : 7,312.73 = 1,412.43 : x
  2. Step 2: Convert to fraction form
    4,874.91/7,312.73 = 1,412.43/x
  3. Step 3: Cross multiply
    4,874.91x = 7,312.73 × 1,412.43
  4. Step 4: Simplify right side
    4,874.91x = 10,328,712.17
  5. Step 5: Solve for x
    x = 10,328,712.17/4,874.91
  6. Step 6: Final answer
    x = 2,118.75

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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.