Home / 7,539.42-10,404.81-4,889.10

Finding the Fourth Proportional to 7,539.42, 10,404.81 and 4,889.10

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Solution

The fourth proportional to 7,539.42, 10,404.81 and 4,889.10 is: 6,747.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,539.42 : 10,404.81 = 4,889.10 : x
  2. Step 2: Convert to fraction form
    7,539.42/10,404.81 = 4,889.10/x
  3. Step 3: Cross multiply
    7,539.42x = 10,404.81 × 4,889.10
  4. Step 4: Simplify right side
    7,539.42x = 50,870,156.57
  5. Step 5: Solve for x
    x = 50,870,156.57/7,539.42
  6. Step 6: Final answer
    x = 6,747.22

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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.