Home / 6,279.68-8,665.93-3,447.06

Finding the Fourth Proportional to 6,279.68, 8,665.93 and 3,447.06

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Solution

The fourth proportional to 6,279.68, 8,665.93 and 3,447.06 is: 4,756.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,279.68 : 8,665.93 = 3,447.06 : x
  2. Step 2: Convert to fraction form
    6,279.68/8,665.93 = 3,447.06/x
  3. Step 3: Cross multiply
    6,279.68x = 8,665.93 × 3,447.06
  4. Step 4: Simplify right side
    6,279.68x = 29,871,980.67
  5. Step 5: Solve for x
    x = 29,871,980.67/6,279.68
  6. Step 6: Final answer
    x = 4,756.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.