Home / 6,870.45-10,298.52-5,223.54

Finding the Fourth Proportional to 6,870.45, 10,298.52 and 5,223.54

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Solution

The fourth proportional to 6,870.45, 10,298.52 and 5,223.54 is: 7,829.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,870.45 : 10,298.52 = 5,223.54 : x
  2. Step 2: Convert to fraction form
    6,870.45/10,298.52 = 5,223.54/x
  3. Step 3: Cross multiply
    6,870.45x = 10,298.52 × 5,223.54
  4. Step 4: Simplify right side
    6,870.45x = 53,794,731.16
  5. Step 5: Solve for x
    x = 53,794,731.16/6,870.45
  6. Step 6: Final answer
    x = 7,829.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.