Home / 7,336.30-10,124.79-4,191.88

Finding the Fourth Proportional to 7,336.30, 10,124.79 and 4,191.88

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Solution

The fourth proportional to 7,336.30, 10,124.79 and 4,191.88 is: 5,785.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,336.30 : 10,124.79 = 4,191.88 : x
  2. Step 2: Convert to fraction form
    7,336.30/10,124.79 = 4,191.88/x
  3. Step 3: Cross multiply
    7,336.30x = 10,124.79 × 4,191.88
  4. Step 4: Simplify right side
    7,336.30x = 42,441,904.71
  5. Step 5: Solve for x
    x = 42,441,904.71/7,336.30
  6. Step 6: Final answer
    x = 5,785.19

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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.