Home / 6,386.40-9,568.56-4,528.44

Finding the Fourth Proportional to 6,386.40, 9,568.56 and 4,528.44

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Solution

The fourth proportional to 6,386.40, 9,568.56 and 4,528.44 is: 6,784.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,386.40 : 9,568.56 = 4,528.44 : x
  2. Step 2: Convert to fraction form
    6,386.40/9,568.56 = 4,528.44/x
  3. Step 3: Cross multiply
    6,386.40x = 9,568.56 × 4,528.44
  4. Step 4: Simplify right side
    6,386.40x = 43,330,649.85
  5. Step 5: Solve for x
    x = 43,330,649.85/6,386.40
  6. Step 6: Final answer
    x = 6,784.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.