Home / 5,434.36-8,152.25-1,538.80

Finding the Fourth Proportional to 5,434.36, 8,152.25 and 1,538.80

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Solution

The fourth proportional to 5,434.36, 8,152.25 and 1,538.80 is: 2,308.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,434.36 : 8,152.25 = 1,538.80 : x
  2. Step 2: Convert to fraction form
    5,434.36/8,152.25 = 1,538.80/x
  3. Step 3: Cross multiply
    5,434.36x = 8,152.25 × 1,538.80
  4. Step 4: Simplify right side
    5,434.36x = 12,544,654.23
  5. Step 5: Solve for x
    x = 12,544,654.23/5,434.36
  6. Step 6: Final answer
    x = 2,308.40

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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.