Home / 7,246.18-10,870.80-2,315.20

Finding the Fourth Proportional to 7,246.18, 10,870.80 and 2,315.20

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Solution

The fourth proportional to 7,246.18, 10,870.80 and 2,315.20 is: 3,473.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,246.18 : 10,870.80 = 2,315.20 : x
  2. Step 2: Convert to fraction form
    7,246.18/10,870.80 = 2,315.20/x
  3. Step 3: Cross multiply
    7,246.18x = 10,870.80 × 2,315.20
  4. Step 4: Simplify right side
    7,246.18x = 25,168,076.16
  5. Step 5: Solve for x
    x = 25,168,076.16/7,246.18
  6. Step 6: Final answer
    x = 3,473.29

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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.