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Finding the Fourth Proportional to 7,007.55, 10,511.10 and 2,846.33

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Solution

The fourth proportional to 7,007.55, 10,511.10 and 2,846.33 is: 4,269.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,007.55 : 10,511.10 = 2,846.33 : x
  2. Step 2: Convert to fraction form
    7,007.55/10,511.10 = 2,846.33/x
  3. Step 3: Cross multiply
    7,007.55x = 10,511.10 × 2,846.33
  4. Step 4: Simplify right side
    7,007.55x = 29,918,064.60
  5. Step 5: Solve for x
    x = 29,918,064.60/7,007.55
  6. Step 6: Final answer
    x = 4,269.40

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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.