Home / 7,020.12-10,504.24-5,775.96

Finding the Fourth Proportional to 7,020.12, 10,504.24 and 5,775.96

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Solution

The fourth proportional to 7,020.12, 10,504.24 and 5,775.96 is: 8,642.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020.12 : 10,504.24 = 5,775.96 : x
  2. Step 2: Convert to fraction form
    7,020.12/10,504.24 = 5,775.96/x
  3. Step 3: Cross multiply
    7,020.12x = 10,504.24 × 5,775.96
  4. Step 4: Simplify right side
    7,020.12x = 60,672,070.07
  5. Step 5: Solve for x
    x = 60,672,070.07/7,020.12
  6. Step 6: Final answer
    x = 8,642.60

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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.