Home / 7,760.83-11,643.27-4,988.89

Finding the Fourth Proportional to 7,760.83, 11,643.27 and 4,988.89

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Solution

The fourth proportional to 7,760.83, 11,643.27 and 4,988.89 is: 7,484.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,760.83 : 11,643.27 = 4,988.89 : x
  2. Step 2: Convert to fraction form
    7,760.83/11,643.27 = 4,988.89/x
  3. Step 3: Cross multiply
    7,760.83x = 11,643.27 × 4,988.89
  4. Step 4: Simplify right side
    7,760.83x = 58,086,993.27
  5. Step 5: Solve for x
    x = 58,086,993.27/7,760.83
  6. Step 6: Final answer
    x = 7,484.64

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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.