Home / 6,354.72-9,515.67-4,386.42

Finding the Fourth Proportional to 6,354.72, 9,515.67 and 4,386.42

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Solution

The fourth proportional to 6,354.72, 9,515.67 and 4,386.42 is: 6,568.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,354.72 : 9,515.67 = 4,386.42 : x
  2. Step 2: Convert to fraction form
    6,354.72/9,515.67 = 4,386.42/x
  3. Step 3: Cross multiply
    6,354.72x = 9,515.67 × 4,386.42
  4. Step 4: Simplify right side
    6,354.72x = 41,739,725.20
  5. Step 5: Solve for x
    x = 41,739,725.20/6,354.72
  6. Step 6: Final answer
    x = 6,568.30

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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.