Home / 5,200.11-7,800.57-1,502.40

Finding the Fourth Proportional to 5,200.11, 7,800.57 and 1,502.40

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Solution

The fourth proportional to 5,200.11, 7,800.57 and 1,502.40 is: 2,253.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,200.11 : 7,800.57 = 1,502.40 : x
  2. Step 2: Convert to fraction form
    5,200.11/7,800.57 = 1,502.40/x
  3. Step 3: Cross multiply
    5,200.11x = 7,800.57 × 1,502.40
  4. Step 4: Simplify right side
    5,200.11x = 11,719,576.37
  5. Step 5: Solve for x
    x = 11,719,576.37/5,200.11
  6. Step 6: Final answer
    x = 2,253.72

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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.