Home / 8,806.02-13,209.48-5,105.43

Finding the Fourth Proportional to 8,806.02, 13,209.48 and 5,105.43

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Solution

The fourth proportional to 8,806.02, 13,209.48 and 5,105.43 is: 7,658.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,806.02 : 13,209.48 = 5,105.43 : x
  2. Step 2: Convert to fraction form
    8,806.02/13,209.48 = 5,105.43/x
  3. Step 3: Cross multiply
    8,806.02x = 13,209.48 × 5,105.43
  4. Step 4: Simplify right side
    8,806.02x = 67,440,075.48
  5. Step 5: Solve for x
    x = 67,440,075.48/8,806.02
  6. Step 6: Final answer
    x = 7,658.41

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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.