Home / 5,391.64-8,088.68-1,881.84

Finding the Fourth Proportional to 5,391.64, 8,088.68 and 1,881.84

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Solution

The fourth proportional to 5,391.64, 8,088.68 and 1,881.84 is: 2,823.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,391.64 : 8,088.68 = 1,881.84 : x
  2. Step 2: Convert to fraction form
    5,391.64/8,088.68 = 1,881.84/x
  3. Step 3: Cross multiply
    5,391.64x = 8,088.68 × 1,881.84
  4. Step 4: Simplify right side
    5,391.64x = 15,221,601.57
  5. Step 5: Solve for x
    x = 15,221,601.57/5,391.64
  6. Step 6: Final answer
    x = 2,823.19

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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.