Home / 5,320.63-7,339.13-3,826.18

Finding the Fourth Proportional to 5,320.63, 7,339.13 and 3,826.18

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Solution

The fourth proportional to 5,320.63, 7,339.13 and 3,826.18 is: 5,277.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320.63 : 7,339.13 = 3,826.18 : x
  2. Step 2: Convert to fraction form
    5,320.63/7,339.13 = 3,826.18/x
  3. Step 3: Cross multiply
    5,320.63x = 7,339.13 × 3,826.18
  4. Step 4: Simplify right side
    5,320.63x = 28,080,805.29
  5. Step 5: Solve for x
    x = 28,080,805.29/5,320.63
  6. Step 6: Final answer
    x = 5,277.73

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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.