Home / 5,088.16-7,633.68-1,625.68

Finding the Fourth Proportional to 5,088.16, 7,633.68 and 1,625.68

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Solution

The fourth proportional to 5,088.16, 7,633.68 and 1,625.68 is: 2,438.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,088.16 : 7,633.68 = 1,625.68 : x
  2. Step 2: Convert to fraction form
    5,088.16/7,633.68 = 1,625.68/x
  3. Step 3: Cross multiply
    5,088.16x = 7,633.68 × 1,625.68
  4. Step 4: Simplify right side
    5,088.16x = 12,409,920.90
  5. Step 5: Solve for x
    x = 12,409,920.90/5,088.16
  6. Step 6: Final answer
    x = 2,438.98

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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.