Home / 5,088.64-7,634.06-1,578.58

Finding the Fourth Proportional to 5,088.64, 7,634.06 and 1,578.58

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Solution

The fourth proportional to 5,088.64, 7,634.06 and 1,578.58 is: 2,368.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,088.64 : 7,634.06 = 1,578.58 : x
  2. Step 2: Convert to fraction form
    5,088.64/7,634.06 = 1,578.58/x
  3. Step 3: Cross multiply
    5,088.64x = 7,634.06 × 1,578.58
  4. Step 4: Simplify right side
    5,088.64x = 12,050,947.46
  5. Step 5: Solve for x
    x = 12,050,947.46/5,088.64
  6. Step 6: Final answer
    x = 2,368.21

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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.