Home / 7,835.13-10,811.88-4,690.71

Finding the Fourth Proportional to 7,835.13, 10,811.88 and 4,690.71

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Solution

The fourth proportional to 7,835.13, 10,811.88 and 4,690.71 is: 6,472.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,835.13 : 10,811.88 = 4,690.71 : x
  2. Step 2: Convert to fraction form
    7,835.13/10,811.88 = 4,690.71/x
  3. Step 3: Cross multiply
    7,835.13x = 10,811.88 × 4,690.71
  4. Step 4: Simplify right side
    7,835.13x = 50,715,393.63
  5. Step 5: Solve for x
    x = 50,715,393.63/7,835.13
  6. Step 6: Final answer
    x = 6,472.82

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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.