Home / 7,819.41-10,788.08-4,459.80

Finding the Fourth Proportional to 7,819.41, 10,788.08 and 4,459.80

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Solution

The fourth proportional to 7,819.41, 10,788.08 and 4,459.80 is: 6,152.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,819.41 : 10,788.08 = 4,459.80 : x
  2. Step 2: Convert to fraction form
    7,819.41/10,788.08 = 4,459.80/x
  3. Step 3: Cross multiply
    7,819.41x = 10,788.08 × 4,459.80
  4. Step 4: Simplify right side
    7,819.41x = 48,112,679.18
  5. Step 5: Solve for x
    x = 48,112,679.18/7,819.41
  6. Step 6: Final answer
    x = 6,152.98

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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.