Home / 7,768.48-11,646.56-4,070

Finding the Fourth Proportional to 7,768.48, 11,646.56 and 4,070

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Solution

The fourth proportional to 7,768.48, 11,646.56 and 4,070 is: 6,101.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,768.48 : 11,646.56 = 4,070 : x
  2. Step 2: Convert to fraction form
    7,768.48/11,646.56 = 4,070/x
  3. Step 3: Cross multiply
    7,768.48x = 11,646.56 × 4,070
  4. Step 4: Simplify right side
    7,768.48x = 47,401,499.20
  5. Step 5: Solve for x
    x = 47,401,499.20/7,768.48
  6. Step 6: Final answer
    x = 6,101.77

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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.