Home / 7,825.04-10,798.60-4,288.30

Finding the Fourth Proportional to 7,825.04, 10,798.60 and 4,288.30

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Solution

The fourth proportional to 7,825.04, 10,798.60 and 4,288.30 is: 5,917.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,825.04 : 10,798.60 = 4,288.30 : x
  2. Step 2: Convert to fraction form
    7,825.04/10,798.60 = 4,288.30/x
  3. Step 3: Cross multiply
    7,825.04x = 10,798.60 × 4,288.30
  4. Step 4: Simplify right side
    7,825.04x = 46,307,636.38
  5. Step 5: Solve for x
    x = 46,307,636.38/7,825.04
  6. Step 6: Final answer
    x = 5,917.88

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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.