Home / 7,826.36-10,801.06-4,290.25

Finding the Fourth Proportional to 7,826.36, 10,801.06 and 4,290.25

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Solution

The fourth proportional to 7,826.36, 10,801.06 and 4,290.25 is: 5,920.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,826.36 : 10,801.06 = 4,290.25 : x
  2. Step 2: Convert to fraction form
    7,826.36/10,801.06 = 4,290.25/x
  3. Step 3: Cross multiply
    7,826.36x = 10,801.06 × 4,290.25
  4. Step 4: Simplify right side
    7,826.36x = 46,339,247.67
  5. Step 5: Solve for x
    x = 46,339,247.67/7,826.36
  6. Step 6: Final answer
    x = 5,920.92

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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.