Home / 4,343.60-6,516.48-1,878.80

Finding the Fourth Proportional to 4,343.60, 6,516.48 and 1,878.80

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Solution

The fourth proportional to 4,343.60, 6,516.48 and 1,878.80 is: 2,818.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,343.60 : 6,516.48 = 1,878.80 : x
  2. Step 2: Convert to fraction form
    4,343.60/6,516.48 = 1,878.80/x
  3. Step 3: Cross multiply
    4,343.60x = 6,516.48 × 1,878.80
  4. Step 4: Simplify right side
    4,343.60x = 12,243,162.62
  5. Step 5: Solve for x
    x = 12,243,162.62/4,343.60
  6. Step 6: Final answer
    x = 2,818.67

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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.