Home / 5,432.59-8,150.13-1,969.84

Finding the Fourth Proportional to 5,432.59, 8,150.13 and 1,969.84

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Solution

The fourth proportional to 5,432.59, 8,150.13 and 1,969.84 is: 2,955.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,432.59 : 8,150.13 = 1,969.84 : x
  2. Step 2: Convert to fraction form
    5,432.59/8,150.13 = 1,969.84/x
  3. Step 3: Cross multiply
    5,432.59x = 8,150.13 × 1,969.84
  4. Step 4: Simplify right side
    5,432.59x = 16,054,452.08
  5. Step 5: Solve for x
    x = 16,054,452.08/5,432.59
  6. Step 6: Final answer
    x = 2,955.21

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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.