Home / 5,345.87-8,020.52-2,572.17

Finding the Fourth Proportional to 5,345.87, 8,020.52 and 2,572.17

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Solution

The fourth proportional to 5,345.87, 8,020.52 and 2,572.17 is: 3,859.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,345.87 : 8,020.52 = 2,572.17 : x
  2. Step 2: Convert to fraction form
    5,345.87/8,020.52 = 2,572.17/x
  3. Step 3: Cross multiply
    5,345.87x = 8,020.52 × 2,572.17
  4. Step 4: Simplify right side
    5,345.87x = 20,630,128.07
  5. Step 5: Solve for x
    x = 20,630,128.07/5,345.87
  6. Step 6: Final answer
    x = 3,859.08

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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.