Home / 7,819.40-10,788.63-4,461.01

Finding the Fourth Proportional to 7,819.40, 10,788.63 and 4,461.01

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Solution

The fourth proportional to 7,819.40, 10,788.63 and 4,461.01 is: 6,154.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,819.40 : 10,788.63 = 4,461.01 : x
  2. Step 2: Convert to fraction form
    7,819.40/10,788.63 = 4,461.01/x
  3. Step 3: Cross multiply
    7,819.40x = 10,788.63 × 4,461.01
  4. Step 4: Simplify right side
    7,819.40x = 48,128,142.62
  5. Step 5: Solve for x
    x = 48,128,142.62/7,819.40
  6. Step 6: Final answer
    x = 6,154.96

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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.