Home / 5,345.88-8,020.55-2,572.77

Finding the Fourth Proportional to 5,345.88, 8,020.55 and 2,572.77

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Solution

The fourth proportional to 5,345.88, 8,020.55 and 2,572.77 is: 3,859.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,345.88 : 8,020.55 = 2,572.77 : x
  2. Step 2: Convert to fraction form
    5,345.88/8,020.55 = 2,572.77/x
  3. Step 3: Cross multiply
    5,345.88x = 8,020.55 × 2,572.77
  4. Step 4: Simplify right side
    5,345.88x = 20,635,030.42
  5. Step 5: Solve for x
    x = 20,635,030.42/5,345.88
  6. Step 6: Final answer
    x = 3,859.99

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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.