Home / 8,280.73-12,421.19-2,437.45

Finding the Fourth Proportional to 8,280.73, 12,421.19 and 2,437.45

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Solution

The fourth proportional to 8,280.73, 12,421.19 and 2,437.45 is: 3,656.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,280.73 : 12,421.19 = 2,437.45 : x
  2. Step 2: Convert to fraction form
    8,280.73/12,421.19 = 2,437.45/x
  3. Step 3: Cross multiply
    8,280.73x = 12,421.19 × 2,437.45
  4. Step 4: Simplify right side
    8,280.73x = 30,276,029.57
  5. Step 5: Solve for x
    x = 30,276,029.57/8,280.73
  6. Step 6: Final answer
    x = 3,656.20

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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.