Home / 7,303.78-10,952.76-3,145.66

Finding the Fourth Proportional to 7,303.78, 10,952.76 and 3,145.66

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Solution

The fourth proportional to 7,303.78, 10,952.76 and 3,145.66 is: 4,717.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,303.78 : 10,952.76 = 3,145.66 : x
  2. Step 2: Convert to fraction form
    7,303.78/10,952.76 = 3,145.66/x
  3. Step 3: Cross multiply
    7,303.78x = 10,952.76 × 3,145.66
  4. Step 4: Simplify right side
    7,303.78x = 34,453,659.02
  5. Step 5: Solve for x
    x = 34,453,659.02/7,303.78
  6. Step 6: Final answer
    x = 4,717.24

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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.