Home / 4,700.57-7,050.92-1,580.72

Finding the Fourth Proportional to 4,700.57, 7,050.92 and 1,580.72

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Solution

The fourth proportional to 4,700.57, 7,050.92 and 1,580.72 is: 2,371.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,700.57 : 7,050.92 = 1,580.72 : x
  2. Step 2: Convert to fraction form
    4,700.57/7,050.92 = 1,580.72/x
  3. Step 3: Cross multiply
    4,700.57x = 7,050.92 × 1,580.72
  4. Step 4: Simplify right side
    4,700.57x = 11,145,487.10
  5. Step 5: Solve for x
    x = 11,145,487.10/4,700.57
  6. Step 6: Final answer
    x = 2,371.10

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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.