Home / 4,341.72-6,511.20-2,779.50

Finding the Fourth Proportional to 4,341.72, 6,511.20 and 2,779.50

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Solution

The fourth proportional to 4,341.72, 6,511.20 and 2,779.50 is: 4,168.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,341.72 : 6,511.20 = 2,779.50 : x
  2. Step 2: Convert to fraction form
    4,341.72/6,511.20 = 2,779.50/x
  3. Step 3: Cross multiply
    4,341.72x = 6,511.20 × 2,779.50
  4. Step 4: Simplify right side
    4,341.72x = 18,097,880.40
  5. Step 5: Solve for x
    x = 18,097,880.40/4,341.72
  6. Step 6: Final answer
    x = 4,168.37

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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.