Home / 6,939.57-10,416.40-6,153.98

Finding the Fourth Proportional to 6,939.57, 10,416.40 and 6,153.98

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Solution

The fourth proportional to 6,939.57, 10,416.40 and 6,153.98 is: 9,237.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,939.57 : 10,416.40 = 6,153.98 : x
  2. Step 2: Convert to fraction form
    6,939.57/10,416.40 = 6,153.98/x
  3. Step 3: Cross multiply
    6,939.57x = 10,416.40 × 6,153.98
  4. Step 4: Simplify right side
    6,939.57x = 64,102,249.81
  5. Step 5: Solve for x
    x = 64,102,249.81/6,939.57
  6. Step 6: Final answer
    x = 9,237.20

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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.