Home / 6,628.05-9,941.55-2,930.40

Finding the Fourth Proportional to 6,628.05, 9,941.55 and 2,930.40

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Solution

The fourth proportional to 6,628.05, 9,941.55 and 2,930.40 is: 4,395.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,628.05 : 9,941.55 = 2,930.40 : x
  2. Step 2: Convert to fraction form
    6,628.05/9,941.55 = 2,930.40/x
  3. Step 3: Cross multiply
    6,628.05x = 9,941.55 × 2,930.40
  4. Step 4: Simplify right side
    6,628.05x = 29,132,718.12
  5. Step 5: Solve for x
    x = 29,132,718.12/6,628.05
  6. Step 6: Final answer
    x = 4,395.37

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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.