Home / 7,055.30-10,578.66-4,861.62

Finding the Fourth Proportional to 7,055.30, 10,578.66 and 4,861.62

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Solution

The fourth proportional to 7,055.30, 10,578.66 and 4,861.62 is: 7,289.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,055.30 : 10,578.66 = 4,861.62 : x
  2. Step 2: Convert to fraction form
    7,055.30/10,578.66 = 4,861.62/x
  3. Step 3: Cross multiply
    7,055.30x = 10,578.66 × 4,861.62
  4. Step 4: Simplify right side
    7,055.30x = 51,429,425.03
  5. Step 5: Solve for x
    x = 51,429,425.03/7,055.30
  6. Step 6: Final answer
    x = 7,289.47

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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.