Home / 7,421.63-11,133.05-2,227.50

Finding the Fourth Proportional to 7,421.63, 11,133.05 and 2,227.50

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Solution

The fourth proportional to 7,421.63, 11,133.05 and 2,227.50 is: 3,341.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,421.63 : 11,133.05 = 2,227.50 : x
  2. Step 2: Convert to fraction form
    7,421.63/11,133.05 = 2,227.50/x
  3. Step 3: Cross multiply
    7,421.63x = 11,133.05 × 2,227.50
  4. Step 4: Simplify right side
    7,421.63x = 24,798,857.74
  5. Step 5: Solve for x
    x = 24,798,857.74/7,421.63
  6. Step 6: Final answer
    x = 3,341.43

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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.