Home / 7,905.77-11,860.35-2,359.55

Finding the Fourth Proportional to 7,905.77, 11,860.35 and 2,359.55

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Solution

The fourth proportional to 7,905.77, 11,860.35 and 2,359.55 is: 3,539.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,905.77 : 11,860.35 = 2,359.55 : x
  2. Step 2: Convert to fraction form
    7,905.77/11,860.35 = 2,359.55/x
  3. Step 3: Cross multiply
    7,905.77x = 11,860.35 × 2,359.55
  4. Step 4: Simplify right side
    7,905.77x = 27,985,088.84
  5. Step 5: Solve for x
    x = 27,985,088.84/7,905.77
  6. Step 6: Final answer
    x = 3,539.83

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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.