Home / 4,601.36-6,891.65-2,130.99

Finding the Fourth Proportional to 4,601.36, 6,891.65 and 2,130.99

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Solution

The fourth proportional to 4,601.36, 6,891.65 and 2,130.99 is: 3,191.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,601.36 : 6,891.65 = 2,130.99 : x
  2. Step 2: Convert to fraction form
    4,601.36/6,891.65 = 2,130.99/x
  3. Step 3: Cross multiply
    4,601.36x = 6,891.65 × 2,130.99
  4. Step 4: Simplify right side
    4,601.36x = 14,686,008.73
  5. Step 5: Solve for x
    x = 14,686,008.73/4,601.36
  6. Step 6: Final answer
    x = 3,191.67

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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.