Home / 5,412.16-8,118.53-1,714.11

Finding the Fourth Proportional to 5,412.16, 8,118.53 and 1,714.11

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Solution

The fourth proportional to 5,412.16, 8,118.53 and 1,714.11 is: 2,571.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,412.16 : 8,118.53 = 1,714.11 : x
  2. Step 2: Convert to fraction form
    5,412.16/8,118.53 = 1,714.11/x
  3. Step 3: Cross multiply
    5,412.16x = 8,118.53 × 1,714.11
  4. Step 4: Simplify right side
    5,412.16x = 13,916,020.87
  5. Step 5: Solve for x
    x = 13,916,020.87/5,412.16
  6. Step 6: Final answer
    x = 2,571.25

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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.