Home / 5,377.35-8,065.74-1,679.16

Finding the Fourth Proportional to 5,377.35, 8,065.74 and 1,679.16

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Solution

The fourth proportional to 5,377.35, 8,065.74 and 1,679.16 is: 2,518.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,377.35 : 8,065.74 = 1,679.16 : x
  2. Step 2: Convert to fraction form
    5,377.35/8,065.74 = 1,679.16/x
  3. Step 3: Cross multiply
    5,377.35x = 8,065.74 × 1,679.16
  4. Step 4: Simplify right side
    5,377.35x = 13,543,674.28
  5. Step 5: Solve for x
    x = 13,543,674.28/5,377.35
  6. Step 6: Final answer
    x = 2,518.65

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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.