Home / 6,480.18-8,928.93-5,222.64

Finding the Fourth Proportional to 6,480.18, 8,928.93 and 5,222.64

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Solution

The fourth proportional to 6,480.18, 8,928.93 and 5,222.64 is: 7,196.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,480.18 : 8,928.93 = 5,222.64 : x
  2. Step 2: Convert to fraction form
    6,480.18/8,928.93 = 5,222.64/x
  3. Step 3: Cross multiply
    6,480.18x = 8,928.93 × 5,222.64
  4. Step 4: Simplify right side
    6,480.18x = 46,632,586.98
  5. Step 5: Solve for x
    x = 46,632,586.98/6,480.18
  6. Step 6: Final answer
    x = 7,196.19

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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.