Home / 6,289.80-9,432.27-2,779.62

Finding the Fourth Proportional to 6,289.80, 9,432.27 and 2,779.62

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Solution

The fourth proportional to 6,289.80, 9,432.27 and 2,779.62 is: 4,168.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,289.80 : 9,432.27 = 2,779.62 : x
  2. Step 2: Convert to fraction form
    6,289.80/9,432.27 = 2,779.62/x
  3. Step 3: Cross multiply
    6,289.80x = 9,432.27 × 2,779.62
  4. Step 4: Simplify right side
    6,289.80x = 26,218,126.34
  5. Step 5: Solve for x
    x = 26,218,126.34/6,289.80
  6. Step 6: Final answer
    x = 4,168.36

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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.