Home / 9,719.55-14,574.49-3,792.90

Finding the Fourth Proportional to 9,719.55, 14,574.49 and 3,792.90

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Solution

The fourth proportional to 9,719.55, 14,574.49 and 3,792.90 is: 5,687.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,719.55 : 14,574.49 = 3,792.90 : x
  2. Step 2: Convert to fraction form
    9,719.55/14,574.49 = 3,792.90/x
  3. Step 3: Cross multiply
    9,719.55x = 14,574.49 × 3,792.90
  4. Step 4: Simplify right side
    9,719.55x = 55,279,518.98
  5. Step 5: Solve for x
    x = 55,279,518.98/9,719.55
  6. Step 6: Final answer
    x = 5,687.45

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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.