Home / 5,298.07-7,311.22-2,940.16

Finding the Fourth Proportional to 5,298.07, 7,311.22 and 2,940.16

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Solution

The fourth proportional to 5,298.07, 7,311.22 and 2,940.16 is: 4,057.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,298.07 : 7,311.22 = 2,940.16 : x
  2. Step 2: Convert to fraction form
    5,298.07/7,311.22 = 2,940.16/x
  3. Step 3: Cross multiply
    5,298.07x = 7,311.22 × 2,940.16
  4. Step 4: Simplify right side
    5,298.07x = 21,496,156.60
  5. Step 5: Solve for x
    x = 21,496,156.60/5,298.07
  6. Step 6: Final answer
    x = 4,057.36

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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.