Home / 7,539.45-10,404.70-4,554.69

Finding the Fourth Proportional to 7,539.45, 10,404.70 and 4,554.69

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Solution

The fourth proportional to 7,539.45, 10,404.70 and 4,554.69 is: 6,285.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,539.45 : 10,404.70 = 4,554.69 : x
  2. Step 2: Convert to fraction form
    7,539.45/10,404.70 = 4,554.69/x
  3. Step 3: Cross multiply
    7,539.45x = 10,404.70 × 4,554.69
  4. Step 4: Simplify right side
    7,539.45x = 47,390,183.04
  5. Step 5: Solve for x
    x = 47,390,183.04/7,539.45
  6. Step 6: Final answer
    x = 6,285.63

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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.