Home / 8,235.36-11,360.96-5,047.68

Finding the Fourth Proportional to 8,235.36, 11,360.96 and 5,047.68

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Solution

The fourth proportional to 8,235.36, 11,360.96 and 5,047.68 is: 6,963.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,235.36 : 11,360.96 = 5,047.68 : x
  2. Step 2: Convert to fraction form
    8,235.36/11,360.96 = 5,047.68/x
  3. Step 3: Cross multiply
    8,235.36x = 11,360.96 × 5,047.68
  4. Step 4: Simplify right side
    8,235.36x = 57,346,490.57
  5. Step 5: Solve for x
    x = 57,346,490.57/8,235.36
  6. Step 6: Final answer
    x = 6,963.45

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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.