Home / 6,255.40-9,384.34-1,872.76

Finding the Fourth Proportional to 6,255.40, 9,384.34 and 1,872.76

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Solution

The fourth proportional to 6,255.40, 9,384.34 and 1,872.76 is: 2,809.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,255.40 : 9,384.34 = 1,872.76 : x
  2. Step 2: Convert to fraction form
    6,255.40/9,384.34 = 1,872.76/x
  3. Step 3: Cross multiply
    6,255.40x = 9,384.34 × 1,872.76
  4. Step 4: Simplify right side
    6,255.40x = 17,574,616.58
  5. Step 5: Solve for x
    x = 17,574,616.58/6,255.40
  6. Step 6: Final answer
    x = 2,809.51

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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.