Home / 6,912.96-9,544.08-4,675.20

Finding the Fourth Proportional to 6,912.96, 9,544.08 and 4,675.20

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Solution

The fourth proportional to 6,912.96, 9,544.08 and 4,675.20 is: 6,454.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,912.96 : 9,544.08 = 4,675.20 : x
  2. Step 2: Convert to fraction form
    6,912.96/9,544.08 = 4,675.20/x
  3. Step 3: Cross multiply
    6,912.96x = 9,544.08 × 4,675.20
  4. Step 4: Simplify right side
    6,912.96x = 44,620,482.82
  5. Step 5: Solve for x
    x = 44,620,482.82/6,912.96
  6. Step 6: Final answer
    x = 6,454.61

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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.