Home / 7,923.36-11,881.44-4,637.28

Finding the Fourth Proportional to 7,923.36, 11,881.44 and 4,637.28

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Solution

The fourth proportional to 7,923.36, 11,881.44 and 4,637.28 is: 6,953.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,923.36 : 11,881.44 = 4,637.28 : x
  2. Step 2: Convert to fraction form
    7,923.36/11,881.44 = 4,637.28/x
  3. Step 3: Cross multiply
    7,923.36x = 11,881.44 × 4,637.28
  4. Step 4: Simplify right side
    7,923.36x = 55,097,564.08
  5. Step 5: Solve for x
    x = 55,097,564.08/7,923.36
  6. Step 6: Final answer
    x = 6,953.81

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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.