Home / 8,623.47-11,898.93-5,087.37

Finding the Fourth Proportional to 8,623.47, 11,898.93 and 5,087.37

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Solution

The fourth proportional to 8,623.47, 11,898.93 and 5,087.37 is: 7,019.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,623.47 : 11,898.93 = 5,087.37 : x
  2. Step 2: Convert to fraction form
    8,623.47/11,898.93 = 5,087.37/x
  3. Step 3: Cross multiply
    8,623.47x = 11,898.93 × 5,087.37
  4. Step 4: Simplify right side
    8,623.47x = 60,534,259.51
  5. Step 5: Solve for x
    x = 60,534,259.51/8,623.47
  6. Step 6: Final answer
    x = 7,019.71

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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.