Home / 4,338.36-6,510.21-1,705.40

Finding the Fourth Proportional to 4,338.36, 6,510.21 and 1,705.40

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Solution

The fourth proportional to 4,338.36, 6,510.21 and 1,705.40 is: 2,559.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,338.36 : 6,510.21 = 1,705.40 : x
  2. Step 2: Convert to fraction form
    4,338.36/6,510.21 = 1,705.40/x
  3. Step 3: Cross multiply
    4,338.36x = 6,510.21 × 1,705.40
  4. Step 4: Simplify right side
    4,338.36x = 11,102,491.59
  5. Step 5: Solve for x
    x = 11,102,491.59/4,338.36
  6. Step 6: Final answer
    x = 2,559.15

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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.