Home / 7,567.80-10,439.64-4,422.17

Finding the Fourth Proportional to 7,567.80, 10,439.64 and 4,422.17

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Solution

The fourth proportional to 7,567.80, 10,439.64 and 4,422.17 is: 6,100.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,567.80 : 10,439.64 = 4,422.17 : x
  2. Step 2: Convert to fraction form
    7,567.80/10,439.64 = 4,422.17/x
  3. Step 3: Cross multiply
    7,567.80x = 10,439.64 × 4,422.17
  4. Step 4: Simplify right side
    7,567.80x = 46,165,810.62
  5. Step 5: Solve for x
    x = 46,165,810.62/7,567.80
  6. Step 6: Final answer
    x = 6,100.29

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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.