Home / 6,890.56-10,341.36-2,509.30

Finding the Fourth Proportional to 6,890.56, 10,341.36 and 2,509.30

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Solution

The fourth proportional to 6,890.56, 10,341.36 and 2,509.30 is: 3,765.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,890.56 : 10,341.36 = 2,509.30 : x
  2. Step 2: Convert to fraction form
    6,890.56/10,341.36 = 2,509.30/x
  3. Step 3: Cross multiply
    6,890.56x = 10,341.36 × 2,509.30
  4. Step 4: Simplify right side
    6,890.56x = 25,949,574.65
  5. Step 5: Solve for x
    x = 25,949,574.65/6,890.56
  6. Step 6: Final answer
    x = 3,765.96

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1.5x scale

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.