Home / 6,316.78-9,475.23-4,139.35

Finding the Fourth Proportional to 6,316.78, 9,475.23 and 4,139.35

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Solution

The fourth proportional to 6,316.78, 9,475.23 and 4,139.35 is: 6,209.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,316.78 : 9,475.23 = 4,139.35 : x
  2. Step 2: Convert to fraction form
    6,316.78/9,475.23 = 4,139.35/x
  3. Step 3: Cross multiply
    6,316.78x = 9,475.23 × 4,139.35
  4. Step 4: Simplify right side
    6,316.78x = 39,221,293.30
  5. Step 5: Solve for x
    x = 39,221,293.30/6,316.78
  6. Step 6: Final answer
    x = 6,209.06

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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.