Home / 6,484.08-9,728.32-2,784.72

Finding the Fourth Proportional to 6,484.08, 9,728.32 and 2,784.72

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Solution

The fourth proportional to 6,484.08, 9,728.32 and 2,784.72 is: 4,178.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,484.08 : 9,728.32 = 2,784.72 : x
  2. Step 2: Convert to fraction form
    6,484.08/9,728.32 = 2,784.72/x
  3. Step 3: Cross multiply
    6,484.08x = 9,728.32 × 2,784.72
  4. Step 4: Simplify right side
    6,484.08x = 27,090,647.27
  5. Step 5: Solve for x
    x = 27,090,647.27/6,484.08
  6. Step 6: Final answer
    x = 4,178.02

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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.