Home / 7,078.19-9,763.74-4,426.90

Finding the Fourth Proportional to 7,078.19, 9,763.74 and 4,426.90

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Solution

The fourth proportional to 7,078.19, 9,763.74 and 4,426.90 is: 6,106.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,078.19 : 9,763.74 = 4,426.90 : x
  2. Step 2: Convert to fraction form
    7,078.19/9,763.74 = 4,426.90/x
  3. Step 3: Cross multiply
    7,078.19x = 9,763.74 × 4,426.90
  4. Step 4: Simplify right side
    7,078.19x = 43,223,131.12
  5. Step 5: Solve for x
    x = 43,223,131.12/7,078.19
  6. Step 6: Final answer
    x = 6,106.53

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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.