Home / 6,239.28-8,603.58-5,435.71

Finding the Fourth Proportional to 6,239.28, 8,603.58 and 5,435.71

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Solution

The fourth proportional to 6,239.28, 8,603.58 and 5,435.71 is: 7,495.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,239.28 : 8,603.58 = 5,435.71 : x
  2. Step 2: Convert to fraction form
    6,239.28/8,603.58 = 5,435.71/x
  3. Step 3: Cross multiply
    6,239.28x = 8,603.58 × 5,435.71
  4. Step 4: Simplify right side
    6,239.28x = 46,766,564.72
  5. Step 5: Solve for x
    x = 46,766,564.72/6,239.28
  6. Step 6: Final answer
    x = 7,495.51

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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.