Home / 6,776.30-10,145.28-4,305

Finding the Fourth Proportional to 6,776.30, 10,145.28 and 4,305

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Solution

The fourth proportional to 6,776.30, 10,145.28 and 4,305 is: 6,445.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,776.30 : 10,145.28 = 4,305 : x
  2. Step 2: Convert to fraction form
    6,776.30/10,145.28 = 4,305/x
  3. Step 3: Cross multiply
    6,776.30x = 10,145.28 × 4,305
  4. Step 4: Simplify right side
    6,776.30x = 43,675,430.40
  5. Step 5: Solve for x
    x = 43,675,430.40/6,776.30
  6. Step 6: Final answer
    x = 6,445.32

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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.