Home / 7,830.11-10,805.46-4,293.29

Finding the Fourth Proportional to 7,830.11, 10,805.46 and 4,293.29

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Solution

The fourth proportional to 7,830.11, 10,805.46 and 4,293.29 is: 5,924.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,830.11 : 10,805.46 = 4,293.29 : x
  2. Step 2: Convert to fraction form
    7,830.11/10,805.46 = 4,293.29/x
  3. Step 3: Cross multiply
    7,830.11x = 10,805.46 × 4,293.29
  4. Step 4: Simplify right side
    7,830.11x = 46,390,973.36
  5. Step 5: Solve for x
    x = 46,390,973.36/7,830.11
  6. Step 6: Final answer
    x = 5,924.69

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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.