Home / 8,140.05-11,232.81-4,603.32

Finding the Fourth Proportional to 8,140.05, 11,232.81 and 4,603.32

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Solution

The fourth proportional to 8,140.05, 11,232.81 and 4,603.32 is: 6,352.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,140.05 : 11,232.81 = 4,603.32 : x
  2. Step 2: Convert to fraction form
    8,140.05/11,232.81 = 4,603.32/x
  3. Step 3: Cross multiply
    8,140.05x = 11,232.81 × 4,603.32
  4. Step 4: Simplify right side
    8,140.05x = 51,708,218.93
  5. Step 5: Solve for x
    x = 51,708,218.93/8,140.05
  6. Step 6: Final answer
    x = 6,352.32

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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.