Home / 4,869.40-7,303.56-1,406.65

Finding the Fourth Proportional to 4,869.40, 7,303.56 and 1,406.65

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Solution

The fourth proportional to 4,869.40, 7,303.56 and 1,406.65 is: 2,109.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,869.40 : 7,303.56 = 1,406.65 : x
  2. Step 2: Convert to fraction form
    4,869.40/7,303.56 = 1,406.65/x
  3. Step 3: Cross multiply
    4,869.40x = 7,303.56 × 1,406.65
  4. Step 4: Simplify right side
    4,869.40x = 10,273,552.67
  5. Step 5: Solve for x
    x = 10,273,552.67/4,869.40
  6. Step 6: Final answer
    x = 2,109.82

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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.