Home / 8,064.09-11,130.39-6,361.56

Finding the Fourth Proportional to 8,064.09, 11,130.39 and 6,361.56

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Solution

The fourth proportional to 8,064.09, 11,130.39 and 6,361.56 is: 8,780.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,064.09 : 11,130.39 = 6,361.56 : x
  2. Step 2: Convert to fraction form
    8,064.09/11,130.39 = 6,361.56/x
  3. Step 3: Cross multiply
    8,064.09x = 11,130.39 × 6,361.56
  4. Step 4: Simplify right side
    8,064.09x = 70,806,643.81
  5. Step 5: Solve for x
    x = 70,806,643.81/8,064.09
  6. Step 6: Final answer
    x = 8,780.49

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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.