Home / 7,455.47-11,184.27-2,775.08

Finding the Fourth Proportional to 7,455.47, 11,184.27 and 2,775.08

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Solution

The fourth proportional to 7,455.47, 11,184.27 and 2,775.08 is: 4,163.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,455.47 : 11,184.27 = 2,775.08 : x
  2. Step 2: Convert to fraction form
    7,455.47/11,184.27 = 2,775.08/x
  3. Step 3: Cross multiply
    7,455.47x = 11,184.27 × 2,775.08
  4. Step 4: Simplify right side
    7,455.47x = 31,037,188.07
  5. Step 5: Solve for x
    x = 31,037,188.07/7,455.47
  6. Step 6: Final answer
    x = 4,163.01

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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.