Home / 8,284.40-12,430.65-3,901.10

Finding the Fourth Proportional to 8,284.40, 12,430.65 and 3,901.10

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Solution

The fourth proportional to 8,284.40, 12,430.65 and 3,901.10 is: 5,853.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,284.40 : 12,430.65 = 3,901.10 : x
  2. Step 2: Convert to fraction form
    8,284.40/12,430.65 = 3,901.10/x
  3. Step 3: Cross multiply
    8,284.40x = 12,430.65 × 3,901.10
  4. Step 4: Simplify right side
    8,284.40x = 48,493,208.72
  5. Step 5: Solve for x
    x = 48,493,208.72/8,284.40
  6. Step 6: Final answer
    x = 5,853.56

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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.