Home / 7,805.08-11,710.84-4,106.40

Finding the Fourth Proportional to 7,805.08, 11,710.84 and 4,106.40

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Solution

The fourth proportional to 7,805.08, 11,710.84 and 4,106.40 is: 6,161.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,805.08 : 11,710.84 = 4,106.40 : x
  2. Step 2: Convert to fraction form
    7,805.08/11,710.84 = 4,106.40/x
  3. Step 3: Cross multiply
    7,805.08x = 11,710.84 × 4,106.40
  4. Step 4: Simplify right side
    7,805.08x = 48,089,393.38
  5. Step 5: Solve for x
    x = 48,089,393.38/7,805.08
  6. Step 6: Final answer
    x = 6,161.29

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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.