Home / 6,419.20-8,853.76-4,059.06

Finding the Fourth Proportional to 6,419.20, 8,853.76 and 4,059.06

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Solution

The fourth proportional to 6,419.20, 8,853.76 and 4,059.06 is: 5,598.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,419.20 : 8,853.76 = 4,059.06 : x
  2. Step 2: Convert to fraction form
    6,419.20/8,853.76 = 4,059.06/x
  3. Step 3: Cross multiply
    6,419.20x = 8,853.76 × 4,059.06
  4. Step 4: Simplify right side
    6,419.20x = 35,937,943.07
  5. Step 5: Solve for x
    x = 35,937,943.07/6,419.20
  6. Step 6: Final answer
    x = 5,598.51

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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.