Home / 4,386.25-6,578.39-1,265.59

Finding the Fourth Proportional to 4,386.25, 6,578.39 and 1,265.59

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Solution

The fourth proportional to 4,386.25, 6,578.39 and 1,265.59 is: 1,898.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,386.25 : 6,578.39 = 1,265.59 : x
  2. Step 2: Convert to fraction form
    4,386.25/6,578.39 = 1,265.59/x
  3. Step 3: Cross multiply
    4,386.25x = 6,578.39 × 1,265.59
  4. Step 4: Simplify right side
    4,386.25x = 8,325,544.60
  5. Step 5: Solve for x
    x = 8,325,544.60/4,386.25
  6. Step 6: Final answer
    x = 1,898.10

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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.