Home / 7,385.06-11,077.52-2,455.07

Finding the Fourth Proportional to 7,385.06, 11,077.52 and 2,455.07

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Solution

The fourth proportional to 7,385.06, 11,077.52 and 2,455.07 is: 3,682.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,385.06 : 11,077.52 = 2,455.07 : x
  2. Step 2: Convert to fraction form
    7,385.06/11,077.52 = 2,455.07/x
  3. Step 3: Cross multiply
    7,385.06x = 11,077.52 × 2,455.07
  4. Step 4: Simplify right side
    7,385.06x = 27,196,019.36
  5. Step 5: Solve for x
    x = 27,196,019.36/7,385.06
  6. Step 6: Final answer
    x = 3,682.58

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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.