Home / 5,013.79-7,520.60-1,726.81

Finding the Fourth Proportional to 5,013.79, 7,520.60 and 1,726.81

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Solution

The fourth proportional to 5,013.79, 7,520.60 and 1,726.81 is: 2,590.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,013.79 : 7,520.60 = 1,726.81 : x
  2. Step 2: Convert to fraction form
    5,013.79/7,520.60 = 1,726.81/x
  3. Step 3: Cross multiply
    5,013.79x = 7,520.60 × 1,726.81
  4. Step 4: Simplify right side
    5,013.79x = 12,986,647.29
  5. Step 5: Solve for x
    x = 12,986,647.29/5,013.79
  6. Step 6: Final answer
    x = 2,590.19

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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.