Home / 7,830.26-10,806.28-4,293.47

Finding the Fourth Proportional to 7,830.26, 10,806.28 and 4,293.47

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Solution

The fourth proportional to 7,830.26, 10,806.28 and 4,293.47 is: 5,925.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,830.26 : 10,806.28 = 4,293.47 : x
  2. Step 2: Convert to fraction form
    7,830.26/10,806.28 = 4,293.47/x
  3. Step 3: Cross multiply
    7,830.26x = 10,806.28 × 4,293.47
  4. Step 4: Simplify right side
    7,830.26x = 46,396,487.12
  5. Step 5: Solve for x
    x = 46,396,487.12/7,830.26
  6. Step 6: Final answer
    x = 5,925.28

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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.