Home / 8,035.20-11,088.72-4,498.40

Finding the Fourth Proportional to 8,035.20, 11,088.72 and 4,498.40

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Solution

The fourth proportional to 8,035.20, 11,088.72 and 4,498.40 is: 6,207.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,035.20 : 11,088.72 = 4,498.40 : x
  2. Step 2: Convert to fraction form
    8,035.20/11,088.72 = 4,498.40/x
  3. Step 3: Cross multiply
    8,035.20x = 11,088.72 × 4,498.40
  4. Step 4: Simplify right side
    8,035.20x = 49,881,498.05
  5. Step 5: Solve for x
    x = 49,881,498.05/8,035.20
  6. Step 6: Final answer
    x = 6,207.87

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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.