Home / 8,412.02-12,621.67-4,511.87

Finding the Fourth Proportional to 8,412.02, 12,621.67 and 4,511.87

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Solution

The fourth proportional to 8,412.02, 12,621.67 and 4,511.87 is: 6,769.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,412.02 : 12,621.67 = 4,511.87 : x
  2. Step 2: Convert to fraction form
    8,412.02/12,621.67 = 4,511.87/x
  3. Step 3: Cross multiply
    8,412.02x = 12,621.67 × 4,511.87
  4. Step 4: Simplify right side
    8,412.02x = 56,947,334.22
  5. Step 5: Solve for x
    x = 56,947,334.22/8,412.02
  6. Step 6: Final answer
    x = 6,769.76

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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.