Home / 8,253.45-12,365.77-6,875.64

Finding the Fourth Proportional to 8,253.45, 12,365.77 and 6,875.64

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Solution

The fourth proportional to 8,253.45, 12,365.77 and 6,875.64 is: 10,301.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,253.45 : 12,365.77 = 6,875.64 : x
  2. Step 2: Convert to fraction form
    8,253.45/12,365.77 = 6,875.64/x
  3. Step 3: Cross multiply
    8,253.45x = 12,365.77 × 6,875.64
  4. Step 4: Simplify right side
    8,253.45x = 85,022,582.84
  5. Step 5: Solve for x
    x = 85,022,582.84/8,253.45
  6. Step 6: Final answer
    x = 10,301.46

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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.