Home / 7,434.54-10,257.84-4,290.72

Finding the Fourth Proportional to 7,434.54, 10,257.84 and 4,290.72

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Solution

The fourth proportional to 7,434.54, 10,257.84 and 4,290.72 is: 5,920.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,434.54 : 10,257.84 = 4,290.72 : x
  2. Step 2: Convert to fraction form
    7,434.54/10,257.84 = 4,290.72/x
  3. Step 3: Cross multiply
    7,434.54x = 10,257.84 × 4,290.72
  4. Step 4: Simplify right side
    7,434.54x = 44,013,519.24
  5. Step 5: Solve for x
    x = 44,013,519.24/7,434.54
  6. Step 6: Final answer
    x = 5,920.14

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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.