Home / 6,900.16-10,347.40-2,739.60

Finding the Fourth Proportional to 6,900.16, 10,347.40 and 2,739.60

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Solution

The fourth proportional to 6,900.16, 10,347.40 and 2,739.60 is: 4,108.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,900.16 : 10,347.40 = 2,739.60 : x
  2. Step 2: Convert to fraction form
    6,900.16/10,347.40 = 2,739.60/x
  3. Step 3: Cross multiply
    6,900.16x = 10,347.40 × 2,739.60
  4. Step 4: Simplify right side
    6,900.16x = 28,347,737.04
  5. Step 5: Solve for x
    x = 28,347,737.04/6,900.16
  6. Step 6: Final answer
    x = 4,108.27

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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.