Home / 7,509.76-11,260.59-3,809.68

Finding the Fourth Proportional to 7,509.76, 11,260.59 and 3,809.68

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Solution

The fourth proportional to 7,509.76, 11,260.59 and 3,809.68 is: 5,712.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,509.76 : 11,260.59 = 3,809.68 : x
  2. Step 2: Convert to fraction form
    7,509.76/11,260.59 = 3,809.68/x
  3. Step 3: Cross multiply
    7,509.76x = 11,260.59 × 3,809.68
  4. Step 4: Simplify right side
    7,509.76x = 42,899,244.51
  5. Step 5: Solve for x
    x = 42,899,244.51/7,509.76
  6. Step 6: Final answer
    x = 5,712.47

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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.