Home / 4,274.85-6,412.28-1,776

Finding the Fourth Proportional to 4,274.85, 6,412.28 and 1,776

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Solution

The fourth proportional to 4,274.85, 6,412.28 and 1,776 is: 2,664.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,274.85 : 6,412.28 = 1,776 : x
  2. Step 2: Convert to fraction form
    4,274.85/6,412.28 = 1,776/x
  3. Step 3: Cross multiply
    4,274.85x = 6,412.28 × 1,776
  4. Step 4: Simplify right side
    4,274.85x = 11,388,209.28
  5. Step 5: Solve for x
    x = 11,388,209.28/4,274.85
  6. Step 6: Final answer
    x = 2,664.00

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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.