Home / 5,089.77-7,634.05-1,392.32

Finding the Fourth Proportional to 5,089.77, 7,634.05 and 1,392.32

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Solution

The fourth proportional to 5,089.77, 7,634.05 and 1,392.32 is: 2,088.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,089.77 : 7,634.05 = 1,392.32 : x
  2. Step 2: Convert to fraction form
    5,089.77/7,634.05 = 1,392.32/x
  3. Step 3: Cross multiply
    5,089.77x = 7,634.05 × 1,392.32
  4. Step 4: Simplify right side
    5,089.77x = 10,629,056.10
  5. Step 5: Solve for x
    x = 10,629,056.10/5,089.77
  6. Step 6: Final answer
    x = 2,088.32

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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.