Home / 6,442.04-8,890.76-3,925.62

Finding the Fourth Proportional to 6,442.04, 8,890.76 and 3,925.62

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Solution

The fourth proportional to 6,442.04, 8,890.76 and 3,925.62 is: 5,417.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,442.04 : 8,890.76 = 3,925.62 : x
  2. Step 2: Convert to fraction form
    6,442.04/8,890.76 = 3,925.62/x
  3. Step 3: Cross multiply
    6,442.04x = 8,890.76 × 3,925.62
  4. Step 4: Simplify right side
    6,442.04x = 34,901,745.27
  5. Step 5: Solve for x
    x = 34,901,745.27/6,442.04
  6. Step 6: Final answer
    x = 5,417.81

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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.