Home / 6,378.59-8,802.27-3,545.89

Finding the Fourth Proportional to 6,378.59, 8,802.27 and 3,545.89

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Solution

The fourth proportional to 6,378.59, 8,802.27 and 3,545.89 is: 4,893.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,378.59 : 8,802.27 = 3,545.89 : x
  2. Step 2: Convert to fraction form
    6,378.59/8,802.27 = 3,545.89/x
  3. Step 3: Cross multiply
    6,378.59x = 8,802.27 × 3,545.89
  4. Step 4: Simplify right side
    6,378.59x = 31,211,819.43
  5. Step 5: Solve for x
    x = 31,211,819.43/6,378.59
  6. Step 6: Final answer
    x = 4,893.22

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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.