Home / 6,889.32-10,334.01-1,695.20

Finding the Fourth Proportional to 6,889.32, 10,334.01 and 1,695.20

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Solution

The fourth proportional to 6,889.32, 10,334.01 and 1,695.20 is: 2,542.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,889.32 : 10,334.01 = 1,695.20 : x
  2. Step 2: Convert to fraction form
    6,889.32/10,334.01 = 1,695.20/x
  3. Step 3: Cross multiply
    6,889.32x = 10,334.01 × 1,695.20
  4. Step 4: Simplify right side
    6,889.32x = 17,518,162.08
  5. Step 5: Solve for x
    x = 17,518,162.08/6,889.32
  6. Step 6: Final answer
    x = 2,542.80

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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.