Home / 7,566.63-10,440.39-4,422.21

Finding the Fourth Proportional to 7,566.63, 10,440.39 and 4,422.21

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Solution

The fourth proportional to 7,566.63, 10,440.39 and 4,422.21 is: 6,101.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,566.63 : 10,440.39 = 4,422.21 : x
  2. Step 2: Convert to fraction form
    7,566.63/10,440.39 = 4,422.21/x
  3. Step 3: Cross multiply
    7,566.63x = 10,440.39 × 4,422.21
  4. Step 4: Simplify right side
    7,566.63x = 46,169,597.06
  5. Step 5: Solve for x
    x = 46,169,597.06/7,566.63
  6. Step 6: Final answer
    x = 6,101.74

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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.