Home / 7,637.77-11,454.83-5,581.99

Finding the Fourth Proportional to 7,637.77, 11,454.83 and 5,581.99

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Solution

The fourth proportional to 7,637.77, 11,454.83 and 5,581.99 is: 8,371.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,637.77 : 11,454.83 = 5,581.99 : x
  2. Step 2: Convert to fraction form
    7,637.77/11,454.83 = 5,581.99/x
  3. Step 3: Cross multiply
    7,637.77x = 11,454.83 × 5,581.99
  4. Step 4: Simplify right side
    7,637.77x = 63,940,746.51
  5. Step 5: Solve for x
    x = 63,940,746.51/7,637.77
  6. Step 6: Final answer
    x = 8,371.65

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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.