Home / 7,775.12-11,663.69-3,095.57

Finding the Fourth Proportional to 7,775.12, 11,663.69 and 3,095.57

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Solution

The fourth proportional to 7,775.12, 11,663.69 and 3,095.57 is: 4,643.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,775.12 : 11,663.69 = 3,095.57 : x
  2. Step 2: Convert to fraction form
    7,775.12/11,663.69 = 3,095.57/x
  3. Step 3: Cross multiply
    7,775.12x = 11,663.69 × 3,095.57
  4. Step 4: Simplify right side
    7,775.12x = 36,105,695.06
  5. Step 5: Solve for x
    x = 36,105,695.06/7,775.12
  6. Step 6: Final answer
    x = 4,643.75

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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.