Home / 7,767.59-10,719.27-4,230.81

Finding the Fourth Proportional to 7,767.59, 10,719.27 and 4,230.81

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Solution

The fourth proportional to 7,767.59, 10,719.27 and 4,230.81 is: 5,838.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,767.59 : 10,719.27 = 4,230.81 : x
  2. Step 2: Convert to fraction form
    7,767.59/10,719.27 = 4,230.81/x
  3. Step 3: Cross multiply
    7,767.59x = 10,719.27 × 4,230.81
  4. Step 4: Simplify right side
    7,767.59x = 45,351,194.71
  5. Step 5: Solve for x
    x = 45,351,194.71/7,767.59
  6. Step 6: Final answer
    x = 5,838.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.