Home / 9,578.20-14,365.10-3,655.78

Finding the Fourth Proportional to 9,578.20, 14,365.10 and 3,655.78

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Solution

The fourth proportional to 9,578.20, 14,365.10 and 3,655.78 is: 5,482.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,578.20 : 14,365.10 = 3,655.78 : x
  2. Step 2: Convert to fraction form
    9,578.20/14,365.10 = 3,655.78/x
  3. Step 3: Cross multiply
    9,578.20x = 14,365.10 × 3,655.78
  4. Step 4: Simplify right side
    9,578.20x = 52,515,678.74
  5. Step 5: Solve for x
    x = 52,515,678.74/9,578.20
  6. Step 6: Final answer
    x = 5,482.83

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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.