Home / 6,114.60-9,171.90-4,271.40

Finding the Fourth Proportional to 6,114.60, 9,171.90 and 4,271.40

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Solution

The fourth proportional to 6,114.60, 9,171.90 and 4,271.40 is: 6,407.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,114.60 : 9,171.90 = 4,271.40 : x
  2. Step 2: Convert to fraction form
    6,114.60/9,171.90 = 4,271.40/x
  3. Step 3: Cross multiply
    6,114.60x = 9,171.90 × 4,271.40
  4. Step 4: Simplify right side
    6,114.60x = 39,176,853.66
  5. Step 5: Solve for x
    x = 39,176,853.66/6,114.60
  6. Step 6: Final answer
    x = 6,407.10

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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.