Home / 6,442.06-8,890.23-3,647.50

Finding the Fourth Proportional to 6,442.06, 8,890.23 and 3,647.50

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Solution

The fourth proportional to 6,442.06, 8,890.23 and 3,647.50 is: 5,033.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,442.06 : 8,890.23 = 3,647.50 : x
  2. Step 2: Convert to fraction form
    6,442.06/8,890.23 = 3,647.50/x
  3. Step 3: Cross multiply
    6,442.06x = 8,890.23 × 3,647.50
  4. Step 4: Simplify right side
    6,442.06x = 32,427,113.93
  5. Step 5: Solve for x
    x = 32,427,113.93/6,442.06
  6. Step 6: Final answer
    x = 5,033.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.