Home / 8,403.09-12,602.88-2,856.35

Finding the Fourth Proportional to 8,403.09, 12,602.88 and 2,856.35

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Solution

The fourth proportional to 8,403.09, 12,602.88 and 2,856.35 is: 4,283.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,403.09 : 12,602.88 = 2,856.35 : x
  2. Step 2: Convert to fraction form
    8,403.09/12,602.88 = 2,856.35/x
  3. Step 3: Cross multiply
    8,403.09x = 12,602.88 × 2,856.35
  4. Step 4: Simplify right side
    8,403.09x = 35,998,173.27
  5. Step 5: Solve for x
    x = 35,998,173.27/8,403.09
  6. Step 6: Final answer
    x = 4,283.92

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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.