Home / 9,870.75-14,808.15-3,207.60

Finding the Fourth Proportional to 9,870.75, 14,808.15 and 3,207.60

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Solution

The fourth proportional to 9,870.75, 14,808.15 and 3,207.60 is: 4,812.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,870.75 : 14,808.15 = 3,207.60 : x
  2. Step 2: Convert to fraction form
    9,870.75/14,808.15 = 3,207.60/x
  3. Step 3: Cross multiply
    9,870.75x = 14,808.15 × 3,207.60
  4. Step 4: Simplify right side
    9,870.75x = 47,498,621.94
  5. Step 5: Solve for x
    x = 47,498,621.94/9,870.75
  6. Step 6: Final answer
    x = 4,812.06

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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.