Home / 8,140.61-11,236.26-4,784.51

Finding the Fourth Proportional to 8,140.61, 11,236.26 and 4,784.51

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Solution

The fourth proportional to 8,140.61, 11,236.26 and 4,784.51 is: 6,603.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,140.61 : 11,236.26 = 4,784.51 : x
  2. Step 2: Convert to fraction form
    8,140.61/11,236.26 = 4,784.51/x
  3. Step 3: Cross multiply
    8,140.61x = 11,236.26 × 4,784.51
  4. Step 4: Simplify right side
    8,140.61x = 53,759,998.33
  5. Step 5: Solve for x
    x = 53,759,998.33/8,140.61
  6. Step 6: Final answer
    x = 6,603.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.