Home / 5,570.80-8,358.45-2,451.40

Finding the Fourth Proportional to 5,570.80, 8,358.45 and 2,451.40

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Solution

The fourth proportional to 5,570.80, 8,358.45 and 2,451.40 is: 3,678.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,570.80 : 8,358.45 = 2,451.40 : x
  2. Step 2: Convert to fraction form
    5,570.80/8,358.45 = 2,451.40/x
  3. Step 3: Cross multiply
    5,570.80x = 8,358.45 × 2,451.40
  4. Step 4: Simplify right side
    5,570.80x = 20,489,904.33
  5. Step 5: Solve for x
    x = 20,489,904.33/5,570.80
  6. Step 6: Final answer
    x = 3,678.09

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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.