Home / 5,288.08-7,929.44-1,776.84

Finding the Fourth Proportional to 5,288.08, 7,929.44 and 1,776.84

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Solution

The fourth proportional to 5,288.08, 7,929.44 and 1,776.84 is: 2,664.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,288.08 : 7,929.44 = 1,776.84 : x
  2. Step 2: Convert to fraction form
    5,288.08/7,929.44 = 1,776.84/x
  3. Step 3: Cross multiply
    5,288.08x = 7,929.44 × 1,776.84
  4. Step 4: Simplify right side
    5,288.08x = 14,089,346.17
  5. Step 5: Solve for x
    x = 14,089,346.17/5,288.08
  6. Step 6: Final answer
    x = 2,664.36

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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.