Home / 8,667.36-11,963.28-5,133.12

Finding the Fourth Proportional to 8,667.36, 11,963.28 and 5,133.12

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Solution

The fourth proportional to 8,667.36, 11,963.28 and 5,133.12 is: 7,085.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,667.36 : 11,963.28 = 5,133.12 : x
  2. Step 2: Convert to fraction form
    8,667.36/11,963.28 = 5,133.12/x
  3. Step 3: Cross multiply
    8,667.36x = 11,963.28 × 5,133.12
  4. Step 4: Simplify right side
    8,667.36x = 61,408,951.83
  5. Step 5: Solve for x
    x = 61,408,951.83/8,667.36
  6. Step 6: Final answer
    x = 7,085.08

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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.