Home / 7,029.90-10,520.55-4,940.10

Finding the Fourth Proportional to 7,029.90, 10,520.55 and 4,940.10

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Solution

The fourth proportional to 7,029.90, 10,520.55 and 4,940.10 is: 7,393.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,029.90 : 10,520.55 = 4,940.10 : x
  2. Step 2: Convert to fraction form
    7,029.90/10,520.55 = 4,940.10/x
  3. Step 3: Cross multiply
    7,029.90x = 10,520.55 × 4,940.10
  4. Step 4: Simplify right side
    7,029.90x = 51,972,569.06
  5. Step 5: Solve for x
    x = 51,972,569.06/7,029.90
  6. Step 6: Final answer
    x = 7,393.07

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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.