Home / 6,445.26-8,889.39-4,320.06

Finding the Fourth Proportional to 6,445.26, 8,889.39 and 4,320.06

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Solution

The fourth proportional to 6,445.26, 8,889.39 and 4,320.06 is: 5,958.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,445.26 : 8,889.39 = 4,320.06 : x
  2. Step 2: Convert to fraction form
    6,445.26/8,889.39 = 4,320.06/x
  3. Step 3: Cross multiply
    6,445.26x = 8,889.39 × 4,320.06
  4. Step 4: Simplify right side
    6,445.26x = 38,402,698.16
  5. Step 5: Solve for x
    x = 38,402,698.16/6,445.26
  6. Step 6: Final answer
    x = 5,958.29

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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.