Home / 9,284.76-12,815.88-6,264.26

Finding the Fourth Proportional to 9,284.76, 12,815.88 and 6,264.26

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Solution

The fourth proportional to 9,284.76, 12,815.88 and 6,264.26 is: 8,646.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,284.76 : 12,815.88 = 6,264.26 : x
  2. Step 2: Convert to fraction form
    9,284.76/12,815.88 = 6,264.26/x
  3. Step 3: Cross multiply
    9,284.76x = 12,815.88 × 6,264.26
  4. Step 4: Simplify right side
    9,284.76x = 80,281,940.37
  5. Step 5: Solve for x
    x = 80,281,940.37/9,284.76
  6. Step 6: Final answer
    x = 8,646.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.