Home / 8,816.30-13,222.40-2,574.99

Finding the Fourth Proportional to 8,816.30, 13,222.40 and 2,574.99

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Solution

The fourth proportional to 8,816.30, 13,222.40 and 2,574.99 is: 3,861.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,816.30 : 13,222.40 = 2,574.99 : x
  2. Step 2: Convert to fraction form
    8,816.30/13,222.40 = 2,574.99/x
  3. Step 3: Cross multiply
    8,816.30x = 13,222.40 × 2,574.99
  4. Step 4: Simplify right side
    8,816.30x = 34,047,534.90
  5. Step 5: Solve for x
    x = 34,047,534.90/8,816.30
  6. Step 6: Final answer
    x = 3,861.89

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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.