Home / 4,500.42-6,750.40-1,578.50

Finding the Fourth Proportional to 4,500.42, 6,750.40 and 1,578.50

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Solution

The fourth proportional to 4,500.42, 6,750.40 and 1,578.50 is: 2,367.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,500.42 : 6,750.40 = 1,578.50 : x
  2. Step 2: Convert to fraction form
    4,500.42/6,750.40 = 1,578.50/x
  3. Step 3: Cross multiply
    4,500.42x = 6,750.40 × 1,578.50
  4. Step 4: Simplify right side
    4,500.42x = 10,655,506.40
  5. Step 5: Solve for x
    x = 10,655,506.40/4,500.42
  6. Step 6: Final answer
    x = 2,367.67

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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.