Home / 7,281.49-10,048.40-4,137.68

Finding the Fourth Proportional to 7,281.49, 10,048.40 and 4,137.68

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Solution

The fourth proportional to 7,281.49, 10,048.40 and 4,137.68 is: 5,709.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,281.49 : 10,048.40 = 4,137.68 : x
  2. Step 2: Convert to fraction form
    7,281.49/10,048.40 = 4,137.68/x
  3. Step 3: Cross multiply
    7,281.49x = 10,048.40 × 4,137.68
  4. Step 4: Simplify right side
    7,281.49x = 41,577,063.71
  5. Step 5: Solve for x
    x = 41,577,063.71/7,281.49
  6. Step 6: Final answer
    x = 5,709.97

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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.