Home / 4,509.18-6,219.51-4,137.39

Finding the Fourth Proportional to 4,509.18, 6,219.51 and 4,137.39

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Solution

The fourth proportional to 4,509.18, 6,219.51 and 4,137.39 is: 5,706.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,509.18 : 6,219.51 = 4,137.39 : x
  2. Step 2: Convert to fraction form
    4,509.18/6,219.51 = 4,137.39/x
  3. Step 3: Cross multiply
    4,509.18x = 6,219.51 × 4,137.39
  4. Step 4: Simplify right side
    4,509.18x = 25,732,538.48
  5. Step 5: Solve for x
    x = 25,732,538.48/4,509.18
  6. Step 6: Final answer
    x = 5,706.70

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Half scale
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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.