Home / 4,819.61-7,188.76-4,395.17

Finding the Fourth Proportional to 4,819.61, 7,188.76 and 4,395.17

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Solution

The fourth proportional to 4,819.61, 7,188.76 and 4,395.17 is: 6,555.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,819.61 : 7,188.76 = 4,395.17 : x
  2. Step 2: Convert to fraction form
    4,819.61/7,188.76 = 4,395.17/x
  3. Step 3: Cross multiply
    4,819.61x = 7,188.76 × 4,395.17
  4. Step 4: Simplify right side
    4,819.61x = 31,595,845.76
  5. Step 5: Solve for x
    x = 31,595,845.76/4,819.61
  6. Step 6: Final answer
    x = 6,555.68

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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.