Home / 7,855.03-11,783.98-2,590.35

Finding the Fourth Proportional to 7,855.03, 11,783.98 and 2,590.35

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Solution

The fourth proportional to 7,855.03, 11,783.98 and 2,590.35 is: 3,886.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,855.03 : 11,783.98 = 2,590.35 : x
  2. Step 2: Convert to fraction form
    7,855.03/11,783.98 = 2,590.35/x
  3. Step 3: Cross multiply
    7,855.03x = 11,783.98 × 2,590.35
  4. Step 4: Simplify right side
    7,855.03x = 30,524,632.59
  5. Step 5: Solve for x
    x = 30,524,632.59/7,855.03
  6. Step 6: Final answer
    x = 3,886.00

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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.