Home / 5,429.40-8,110.74-4,335.72

Finding the Fourth Proportional to 5,429.40, 8,110.74 and 4,335.72

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Solution

The fourth proportional to 5,429.40, 8,110.74 and 4,335.72 is: 6,476.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429.40 : 8,110.74 = 4,335.72 : x
  2. Step 2: Convert to fraction form
    5,429.40/8,110.74 = 4,335.72/x
  3. Step 3: Cross multiply
    5,429.40x = 8,110.74 × 4,335.72
  4. Step 4: Simplify right side
    5,429.40x = 35,165,897.63
  5. Step 5: Solve for x
    x = 35,165,897.63/5,429.40
  6. Step 6: Final answer
    x = 6,476.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.