Home / 7,407.59-11,115.74-2,730.89

Finding the Fourth Proportional to 7,407.59, 11,115.74 and 2,730.89

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Solution

The fourth proportional to 7,407.59, 11,115.74 and 2,730.89 is: 4,097.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,407.59 : 11,115.74 = 2,730.89 : x
  2. Step 2: Convert to fraction form
    7,407.59/11,115.74 = 2,730.89/x
  3. Step 3: Cross multiply
    7,407.59x = 11,115.74 × 2,730.89
  4. Step 4: Simplify right side
    7,407.59x = 30,355,814.46
  5. Step 5: Solve for x
    x = 30,355,814.46/7,407.59
  6. Step 6: Final answer
    x = 4,097.94

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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.