Home / 8,487.29-11,709.25-6,254.50

Finding the Fourth Proportional to 8,487.29, 11,709.25 and 6,254.50

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Solution

The fourth proportional to 8,487.29, 11,709.25 and 6,254.50 is: 8,628.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,487.29 : 11,709.25 = 6,254.50 : x
  2. Step 2: Convert to fraction form
    8,487.29/11,709.25 = 6,254.50/x
  3. Step 3: Cross multiply
    8,487.29x = 11,709.25 × 6,254.50
  4. Step 4: Simplify right side
    8,487.29x = 73,235,445.58
  5. Step 5: Solve for x
    x = 73,235,445.58/8,487.29
  6. Step 6: Final answer
    x = 8,628.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.