Home / 5,429.63-8,144.75-1,533.94

Finding the Fourth Proportional to 5,429.63, 8,144.75 and 1,533.94

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Solution

The fourth proportional to 5,429.63, 8,144.75 and 1,533.94 is: 2,300.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429.63 : 8,144.75 = 1,533.94 : x
  2. Step 2: Convert to fraction form
    5,429.63/8,144.75 = 1,533.94/x
  3. Step 3: Cross multiply
    5,429.63x = 8,144.75 × 1,533.94
  4. Step 4: Simplify right side
    5,429.63x = 12,493,541.29
  5. Step 5: Solve for x
    x = 12,493,541.29/5,429.63
  6. Step 6: Final answer
    x = 2,300.99

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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.