Home / 8,962.14-13,436.80-4,215.64

Finding the Fourth Proportional to 8,962.14, 13,436.80 and 4,215.64

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Solution

The fourth proportional to 8,962.14, 13,436.80 and 4,215.64 is: 6,320.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,962.14 : 13,436.80 = 4,215.64 : x
  2. Step 2: Convert to fraction form
    8,962.14/13,436.80 = 4,215.64/x
  3. Step 3: Cross multiply
    8,962.14x = 13,436.80 × 4,215.64
  4. Step 4: Simplify right side
    8,962.14x = 56,644,711.55
  5. Step 5: Solve for x
    x = 56,644,711.55/8,962.14
  6. Step 6: Final answer
    x = 6,320.44

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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.