Home / 7,078.69-10,603.45-4,148.11

Finding the Fourth Proportional to 7,078.69, 10,603.45 and 4,148.11

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Solution

The fourth proportional to 7,078.69, 10,603.45 and 4,148.11 is: 6,213.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,078.69 : 10,603.45 = 4,148.11 : x
  2. Step 2: Convert to fraction form
    7,078.69/10,603.45 = 4,148.11/x
  3. Step 3: Cross multiply
    7,078.69x = 10,603.45 × 4,148.11
  4. Step 4: Simplify right side
    7,078.69x = 43,984,276.98
  5. Step 5: Solve for x
    x = 43,984,276.98/7,078.69
  6. Step 6: Final answer
    x = 6,213.62

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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.