Home / 9,205.32-13,810.28-4,278.45

Finding the Fourth Proportional to 9,205.32, 13,810.28 and 4,278.45

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Solution

The fourth proportional to 9,205.32, 13,810.28 and 4,278.45 is: 6,418.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,205.32 : 13,810.28 = 4,278.45 : x
  2. Step 2: Convert to fraction form
    9,205.32/13,810.28 = 4,278.45/x
  3. Step 3: Cross multiply
    9,205.32x = 13,810.28 × 4,278.45
  4. Step 4: Simplify right side
    9,205.32x = 59,086,571.07
  5. Step 5: Solve for x
    x = 59,086,571.07/9,205.32
  6. Step 6: Final answer
    x = 6,418.74

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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.