Home / 7,078.14-9,768.75-4,567.56

Finding the Fourth Proportional to 7,078.14, 9,768.75 and 4,567.56

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Solution

The fourth proportional to 7,078.14, 9,768.75 and 4,567.56 is: 6,303.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,078.14 : 9,768.75 = 4,567.56 : x
  2. Step 2: Convert to fraction form
    7,078.14/9,768.75 = 4,567.56/x
  3. Step 3: Cross multiply
    7,078.14x = 9,768.75 × 4,567.56
  4. Step 4: Simplify right side
    7,078.14x = 44,619,351.75
  5. Step 5: Solve for x
    x = 44,619,351.75/7,078.14
  6. Step 6: Final answer
    x = 6,303.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.