Home / 7,859.84-11,789.15-4,570.83

Finding the Fourth Proportional to 7,859.84, 11,789.15 and 4,570.83

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Solution

The fourth proportional to 7,859.84, 11,789.15 and 4,570.83 is: 6,855.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,859.84 : 11,789.15 = 4,570.83 : x
  2. Step 2: Convert to fraction form
    7,859.84/11,789.15 = 4,570.83/x
  3. Step 3: Cross multiply
    7,859.84x = 11,789.15 × 4,570.83
  4. Step 4: Simplify right side
    7,859.84x = 53,886,177.64
  5. Step 5: Solve for x
    x = 53,886,177.64/7,859.84
  6. Step 6: Final answer
    x = 6,855.89

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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.