Home / 7,834.94-10,811.86-4,298.07

Finding the Fourth Proportional to 7,834.94, 10,811.86 and 4,298.07

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Solution

The fourth proportional to 7,834.94, 10,811.86 and 4,298.07 is: 5,931.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,834.94 : 10,811.86 = 4,298.07 : x
  2. Step 2: Convert to fraction form
    7,834.94/10,811.86 = 4,298.07/x
  3. Step 3: Cross multiply
    7,834.94x = 10,811.86 × 4,298.07
  4. Step 4: Simplify right side
    7,834.94x = 46,470,160.91
  5. Step 5: Solve for x
    x = 46,470,160.91/7,834.94
  6. Step 6: Final answer
    x = 5,931.15

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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.