Home / 6,939.80-9,570.51-4,704.92

Finding the Fourth Proportional to 6,939.80, 9,570.51 and 4,704.92

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Solution

The fourth proportional to 6,939.80, 9,570.51 and 4,704.92 is: 6,488.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,939.80 : 9,570.51 = 4,704.92 : x
  2. Step 2: Convert to fraction form
    6,939.80/9,570.51 = 4,704.92/x
  3. Step 3: Cross multiply
    6,939.80x = 9,570.51 × 4,704.92
  4. Step 4: Simplify right side
    6,939.80x = 45,028,483.91
  5. Step 5: Solve for x
    x = 45,028,483.91/6,939.80
  6. Step 6: Final answer
    x = 6,488.44

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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.