Home / 8,364.51-12,543.59-2,740.87

Finding the Fourth Proportional to 8,364.51, 12,543.59 and 2,740.87

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Solution

The fourth proportional to 8,364.51, 12,543.59 and 2,740.87 is: 4,110.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,364.51 : 12,543.59 = 2,740.87 : x
  2. Step 2: Convert to fraction form
    8,364.51/12,543.59 = 2,740.87/x
  3. Step 3: Cross multiply
    8,364.51x = 12,543.59 × 2,740.87
  4. Step 4: Simplify right side
    8,364.51x = 34,380,372.05
  5. Step 5: Solve for x
    x = 34,380,372.05/8,364.51
  6. Step 6: Final answer
    x = 4,110.27

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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.