Home / 5,260.60-7,881.30-4,281.40

Finding the Fourth Proportional to 5,260.60, 7,881.30 and 4,281.40

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Solution

The fourth proportional to 5,260.60, 7,881.30 and 4,281.40 is: 6,414.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,260.60 : 7,881.30 = 4,281.40 : x
  2. Step 2: Convert to fraction form
    5,260.60/7,881.30 = 4,281.40/x
  3. Step 3: Cross multiply
    5,260.60x = 7,881.30 × 4,281.40
  4. Step 4: Simplify right side
    5,260.60x = 33,742,997.82
  5. Step 5: Solve for x
    x = 33,742,997.82/5,260.60
  6. Step 6: Final answer
    x = 6,414.29

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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.