Home / 7,894.04-10,894.57-6,778.67

Finding the Fourth Proportional to 7,894.04, 10,894.57 and 6,778.67

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Solution

The fourth proportional to 7,894.04, 10,894.57 and 6,778.67 is: 9,355.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,894.04 : 10,894.57 = 6,778.67 : x
  2. Step 2: Convert to fraction form
    7,894.04/10,894.57 = 6,778.67/x
  3. Step 3: Cross multiply
    7,894.04x = 10,894.57 × 6,778.67
  4. Step 4: Simplify right side
    7,894.04x = 73,850,623.40
  5. Step 5: Solve for x
    x = 73,850,623.40/7,894.04
  6. Step 6: Final answer
    x = 9,355.24

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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.