Home / 7,429.38-10,252.61-4,285.63

Finding the Fourth Proportional to 7,429.38, 10,252.61 and 4,285.63

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Solution

The fourth proportional to 7,429.38, 10,252.61 and 4,285.63 is: 5,914.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,429.38 : 10,252.61 = 4,285.63 : x
  2. Step 2: Convert to fraction form
    7,429.38/10,252.61 = 4,285.63/x
  3. Step 3: Cross multiply
    7,429.38x = 10,252.61 × 4,285.63
  4. Step 4: Simplify right side
    7,429.38x = 43,938,892.99
  5. Step 5: Solve for x
    x = 43,938,892.99/7,429.38
  6. Step 6: Final answer
    x = 5,914.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.