Home / 7,230.90-10,850.40-3,070.20

Finding the Fourth Proportional to 7,230.90, 10,850.40 and 3,070.20

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Solution

The fourth proportional to 7,230.90, 10,850.40 and 3,070.20 is: 4,607.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,230.90 : 10,850.40 = 3,070.20 : x
  2. Step 2: Convert to fraction form
    7,230.90/10,850.40 = 3,070.20/x
  3. Step 3: Cross multiply
    7,230.90x = 10,850.40 × 3,070.20
  4. Step 4: Simplify right side
    7,230.90x = 33,312,898.08
  5. Step 5: Solve for x
    x = 33,312,898.08/7,230.90
  6. Step 6: Final answer
    x = 4,607.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.