Home / 5,018.76-7,527.60-1,508.40

Finding the Fourth Proportional to 5,018.76, 7,527.60 and 1,508.40

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Solution

The fourth proportional to 5,018.76, 7,527.60 and 1,508.40 is: 2,262.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,018.76 : 7,527.60 = 1,508.40 : x
  2. Step 2: Convert to fraction form
    5,018.76/7,527.60 = 1,508.40/x
  3. Step 3: Cross multiply
    5,018.76x = 7,527.60 × 1,508.40
  4. Step 4: Simplify right side
    5,018.76x = 11,354,631.84
  5. Step 5: Solve for x
    x = 11,354,631.84/5,018.76
  6. Step 6: Final answer
    x = 2,262.44

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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.