Home / 5,578.24-8,364.48-2,290.72

Finding the Fourth Proportional to 5,578.24, 8,364.48 and 2,290.72

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Solution

The fourth proportional to 5,578.24, 8,364.48 and 2,290.72 is: 3,434.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,578.24 : 8,364.48 = 2,290.72 : x
  2. Step 2: Convert to fraction form
    5,578.24/8,364.48 = 2,290.72/x
  3. Step 3: Cross multiply
    5,578.24x = 8,364.48 × 2,290.72
  4. Step 4: Simplify right side
    5,578.24x = 19,160,681.63
  5. Step 5: Solve for x
    x = 19,160,681.63/5,578.24
  6. Step 6: Final answer
    x = 3,434.90

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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.