Home / 8,853.86-13,280.70-2,280.02

Finding the Fourth Proportional to 8,853.86, 13,280.70 and 2,280.02

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Solution

The fourth proportional to 8,853.86, 13,280.70 and 2,280.02 is: 3,420.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,853.86 : 13,280.70 = 2,280.02 : x
  2. Step 2: Convert to fraction form
    8,853.86/13,280.70 = 2,280.02/x
  3. Step 3: Cross multiply
    8,853.86x = 13,280.70 × 2,280.02
  4. Step 4: Simplify right side
    8,853.86x = 30,280,261.61
  5. Step 5: Solve for x
    x = 30,280,261.61/8,853.86
  6. Step 6: Final answer
    x = 3,420.01

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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.