Home / 5,434.59-8,153.13-1,971.84

Finding the Fourth Proportional to 5,434.59, 8,153.13 and 1,971.84

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Solution

The fourth proportional to 5,434.59, 8,153.13 and 1,971.84 is: 2,958.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,434.59 : 8,153.13 = 1,971.84 : x
  2. Step 2: Convert to fraction form
    5,434.59/8,153.13 = 1,971.84/x
  3. Step 3: Cross multiply
    5,434.59x = 8,153.13 × 1,971.84
  4. Step 4: Simplify right side
    5,434.59x = 16,076,667.86
  5. Step 5: Solve for x
    x = 16,076,667.86/5,434.59
  6. Step 6: Final answer
    x = 2,958.21

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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.