Home / 8,543.07-12,814.80-2,620.08

Finding the Fourth Proportional to 8,543.07, 12,814.80 and 2,620.08

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Solution

The fourth proportional to 8,543.07, 12,814.80 and 2,620.08 is: 3,930.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,543.07 : 12,814.80 = 2,620.08 : x
  2. Step 2: Convert to fraction form
    8,543.07/12,814.80 = 2,620.08/x
  3. Step 3: Cross multiply
    8,543.07x = 12,814.80 × 2,620.08
  4. Step 4: Simplify right side
    8,543.07x = 33,575,801.18
  5. Step 5: Solve for x
    x = 33,575,801.18/8,543.07
  6. Step 6: Final answer
    x = 3,930.18

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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.