Home / 7,869.53-10,859.73-4,686.50

Finding the Fourth Proportional to 7,869.53, 10,859.73 and 4,686.50

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Solution

The fourth proportional to 7,869.53, 10,859.73 and 4,686.50 is: 6,467.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,869.53 : 10,859.73 = 4,686.50 : x
  2. Step 2: Convert to fraction form
    7,869.53/10,859.73 = 4,686.50/x
  3. Step 3: Cross multiply
    7,869.53x = 10,859.73 × 4,686.50
  4. Step 4: Simplify right side
    7,869.53x = 50,894,124.65
  5. Step 5: Solve for x
    x = 50,894,124.65/7,869.53
  6. Step 6: Final answer
    x = 6,467.24

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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.