Home / 8,945.15-12,343.69-4,965.95

Finding the Fourth Proportional to 8,945.15, 12,343.69 and 4,965.95

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Solution

The fourth proportional to 8,945.15, 12,343.69 and 4,965.95 is: 6,852.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,945.15 : 12,343.69 = 4,965.95 : x
  2. Step 2: Convert to fraction form
    8,945.15/12,343.69 = 4,965.95/x
  3. Step 3: Cross multiply
    8,945.15x = 12,343.69 × 4,965.95
  4. Step 4: Simplify right side
    8,945.15x = 61,298,147.36
  5. Step 5: Solve for x
    x = 61,298,147.36/8,945.15
  6. Step 6: Final answer
    x = 6,852.67

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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.