Home / 4,929.20-7,384.20-4,583.60

Finding the Fourth Proportional to 4,929.20, 7,384.20 and 4,583.60

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Solution

The fourth proportional to 4,929.20, 7,384.20 and 4,583.60 is: 6,866.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,929.20 : 7,384.20 = 4,583.60 : x
  2. Step 2: Convert to fraction form
    4,929.20/7,384.20 = 4,583.60/x
  3. Step 3: Cross multiply
    4,929.20x = 7,384.20 × 4,583.60
  4. Step 4: Simplify right side
    4,929.20x = 33,846,219.12
  5. Step 5: Solve for x
    x = 33,846,219.12/4,929.20
  6. Step 6: Final answer
    x = 6,866.47

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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.