Home / 8,349.36-12,491.64-5,744.40

Finding the Fourth Proportional to 8,349.36, 12,491.64 and 5,744.40

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Solution

The fourth proportional to 8,349.36, 12,491.64 and 5,744.40 is: 8,594.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,349.36 : 12,491.64 = 5,744.40 : x
  2. Step 2: Convert to fraction form
    8,349.36/12,491.64 = 5,744.40/x
  3. Step 3: Cross multiply
    8,349.36x = 12,491.64 × 5,744.40
  4. Step 4: Simplify right side
    8,349.36x = 71,756,976.82
  5. Step 5: Solve for x
    x = 71,756,976.82/8,349.36
  6. Step 6: Final answer
    x = 8,594.31

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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.