Home / 6,320.32-8,713.56-4,429.36

Finding the Fourth Proportional to 6,320.32, 8,713.56 and 4,429.36

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Solution

The fourth proportional to 6,320.32, 8,713.56 and 4,429.36 is: 6,106.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,320.32 : 8,713.56 = 4,429.36 : x
  2. Step 2: Convert to fraction form
    6,320.32/8,713.56 = 4,429.36/x
  3. Step 3: Cross multiply
    6,320.32x = 8,713.56 × 4,429.36
  4. Step 4: Simplify right side
    6,320.32x = 38,595,494.12
  5. Step 5: Solve for x
    x = 38,595,494.12/6,320.32
  6. Step 6: Final answer
    x = 6,106.57

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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.