Home / 7,678.88-11,508.60-4,904.48

Finding the Fourth Proportional to 7,678.88, 11,508.60 and 4,904.48

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Solution

The fourth proportional to 7,678.88, 11,508.60 and 4,904.48 is: 7,350.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,678.88 : 11,508.60 = 4,904.48 : x
  2. Step 2: Convert to fraction form
    7,678.88/11,508.60 = 4,904.48/x
  3. Step 3: Cross multiply
    7,678.88x = 11,508.60 × 4,904.48
  4. Step 4: Simplify right side
    7,678.88x = 56,443,698.53
  5. Step 5: Solve for x
    x = 56,443,698.53/7,678.88
  6. Step 6: Final answer
    x = 7,350.51

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1.5x scale

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.