Home / 8,280.02-12,420.03-2,436.63

Finding the Fourth Proportional to 8,280.02, 12,420.03 and 2,436.63

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Solution

The fourth proportional to 8,280.02, 12,420.03 and 2,436.63 is: 3,654.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,280.02 : 12,420.03 = 2,436.63 : x
  2. Step 2: Convert to fraction form
    8,280.02/12,420.03 = 2,436.63/x
  3. Step 3: Cross multiply
    8,280.02x = 12,420.03 × 2,436.63
  4. Step 4: Simplify right side
    8,280.02x = 30,263,048.75
  5. Step 5: Solve for x
    x = 30,263,048.75/8,280.02
  6. Step 6: Final answer
    x = 3,654.95

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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.