Home / 8,153.07-12,230.08-2,605.99

Finding the Fourth Proportional to 8,153.07, 12,230.08 and 2,605.99

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Solution

The fourth proportional to 8,153.07, 12,230.08 and 2,605.99 is: 3,909.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,153.07 : 12,230.08 = 2,605.99 : x
  2. Step 2: Convert to fraction form
    8,153.07/12,230.08 = 2,605.99/x
  3. Step 3: Cross multiply
    8,153.07x = 12,230.08 × 2,605.99
  4. Step 4: Simplify right side
    8,153.07x = 31,871,396.76
  5. Step 5: Solve for x
    x = 31,871,396.76/8,153.07
  6. Step 6: Final answer
    x = 3,909.13

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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.