Home / 6,317.39-8,720.06-4,330.87

Finding the Fourth Proportional to 6,317.39, 8,720.06 and 4,330.87

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Solution

The fourth proportional to 6,317.39, 8,720.06 and 4,330.87 is: 5,978.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,317.39 : 8,720.06 = 4,330.87 : x
  2. Step 2: Convert to fraction form
    6,317.39/8,720.06 = 4,330.87/x
  3. Step 3: Cross multiply
    6,317.39x = 8,720.06 × 4,330.87
  4. Step 4: Simplify right side
    6,317.39x = 37,765,402.80
  5. Step 5: Solve for x
    x = 37,765,402.80/6,317.39
  6. Step 6: Final answer
    x = 5,978.00

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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.