Home / 7,130.43-10,691.83-2,384.50

Finding the Fourth Proportional to 7,130.43, 10,691.83 and 2,384.50

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Solution

The fourth proportional to 7,130.43, 10,691.83 and 2,384.50 is: 3,575.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,130.43 : 10,691.83 = 2,384.50 : x
  2. Step 2: Convert to fraction form
    7,130.43/10,691.83 = 2,384.50/x
  3. Step 3: Cross multiply
    7,130.43x = 10,691.83 × 2,384.50
  4. Step 4: Simplify right side
    7,130.43x = 25,494,668.64
  5. Step 5: Solve for x
    x = 25,494,668.64/7,130.43
  6. Step 6: Final answer
    x = 3,575.47

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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.