Home / 5,088.32-7,628.16-1,623.68

Finding the Fourth Proportional to 5,088.32, 7,628.16 and 1,623.68

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Solution

The fourth proportional to 5,088.32, 7,628.16 and 1,623.68 is: 2,434.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,088.32 : 7,628.16 = 1,623.68 : x
  2. Step 2: Convert to fraction form
    5,088.32/7,628.16 = 1,623.68/x
  3. Step 3: Cross multiply
    5,088.32x = 7,628.16 × 1,623.68
  4. Step 4: Simplify right side
    5,088.32x = 12,385,690.83
  5. Step 5: Solve for x
    x = 12,385,690.83/5,088.32
  6. Step 6: Final answer
    x = 2,434.14

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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.