Home / 7,455.89-10,289.12-4,269.20

Finding the Fourth Proportional to 7,455.89, 10,289.12 and 4,269.20

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Solution

The fourth proportional to 7,455.89, 10,289.12 and 4,269.20 is: 5,891.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,455.89 : 10,289.12 = 4,269.20 : x
  2. Step 2: Convert to fraction form
    7,455.89/10,289.12 = 4,269.20/x
  3. Step 3: Cross multiply
    7,455.89x = 10,289.12 × 4,269.20
  4. Step 4: Simplify right side
    7,455.89x = 43,926,238.31
  5. Step 5: Solve for x
    x = 43,926,238.31/7,455.89
  6. Step 6: Final answer
    x = 5,891.48

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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.