Home / 7,438.05-10,266.21-4,455.63

Finding the Fourth Proportional to 7,438.05, 10,266.21 and 4,455.63

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Solution

The fourth proportional to 7,438.05, 10,266.21 and 4,455.63 is: 6,149.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,438.05 : 10,266.21 = 4,455.63 : x
  2. Step 2: Convert to fraction form
    7,438.05/10,266.21 = 4,455.63/x
  3. Step 3: Cross multiply
    7,438.05x = 10,266.21 × 4,455.63
  4. Step 4: Simplify right side
    7,438.05x = 45,742,433.26
  5. Step 5: Solve for x
    x = 45,742,433.26/7,438.05
  6. Step 6: Final answer
    x = 6,149.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.