Home / 7,839.90-10,819.23-4,483.02

Finding the Fourth Proportional to 7,839.90, 10,819.23 and 4,483.02

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Solution

The fourth proportional to 7,839.90, 10,819.23 and 4,483.02 is: 6,186.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,839.90 : 10,819.23 = 4,483.02 : x
  2. Step 2: Convert to fraction form
    7,839.90/10,819.23 = 4,483.02/x
  3. Step 3: Cross multiply
    7,839.90x = 10,819.23 × 4,483.02
  4. Step 4: Simplify right side
    7,839.90x = 48,502,824.47
  5. Step 5: Solve for x
    x = 48,502,824.47/7,839.90
  6. Step 6: Final answer
    x = 6,186.66

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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.