Home / 7,460.80-11,189.04-2,842.72

Finding the Fourth Proportional to 7,460.80, 11,189.04 and 2,842.72

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Solution

The fourth proportional to 7,460.80, 11,189.04 and 2,842.72 is: 4,263.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,460.80 : 11,189.04 = 2,842.72 : x
  2. Step 2: Convert to fraction form
    7,460.80/11,189.04 = 2,842.72/x
  3. Step 3: Cross multiply
    7,460.80x = 11,189.04 × 2,842.72
  4. Step 4: Simplify right side
    7,460.80x = 31,807,307.79
  5. Step 5: Solve for x
    x = 31,807,307.79/7,460.80
  6. Step 6: Final answer
    x = 4,263.26

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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.