Home / 7,671.95-11,485.44-5,830.41

Finding the Fourth Proportional to 7,671.95, 11,485.44 and 5,830.41

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Solution

The fourth proportional to 7,671.95, 11,485.44 and 5,830.41 is: 8,728.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,671.95 : 11,485.44 = 5,830.41 : x
  2. Step 2: Convert to fraction form
    7,671.95/11,485.44 = 5,830.41/x
  3. Step 3: Cross multiply
    7,671.95x = 11,485.44 × 5,830.41
  4. Step 4: Simplify right side
    7,671.95x = 66,964,824.23
  5. Step 5: Solve for x
    x = 66,964,824.23/7,671.95
  6. Step 6: Final answer
    x = 8,728.53

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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.