Home / 7,870.44-11,784.60-6,164.76

Finding the Fourth Proportional to 7,870.44, 11,784.60 and 6,164.76

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Solution

The fourth proportional to 7,870.44, 11,784.60 and 6,164.76 is: 9,230.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,870.44 : 11,784.60 = 6,164.76 : x
  2. Step 2: Convert to fraction form
    7,870.44/11,784.60 = 6,164.76/x
  3. Step 3: Cross multiply
    7,870.44x = 11,784.60 × 6,164.76
  4. Step 4: Simplify right side
    7,870.44x = 72,649,230.70
  5. Step 5: Solve for x
    x = 72,649,230.70/7,870.44
  6. Step 6: Final answer
    x = 9,230.64

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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.