Home / 7,342.14-11,013.65-2,077.55

Finding the Fourth Proportional to 7,342.14, 11,013.65 and 2,077.55

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Solution

The fourth proportional to 7,342.14, 11,013.65 and 2,077.55 is: 3,116.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,342.14 : 11,013.65 = 2,077.55 : x
  2. Step 2: Convert to fraction form
    7,342.14/11,013.65 = 2,077.55/x
  3. Step 3: Cross multiply
    7,342.14x = 11,013.65 × 2,077.55
  4. Step 4: Simplify right side
    7,342.14x = 22,881,403.88
  5. Step 5: Solve for x
    x = 22,881,403.88/7,342.14
  6. Step 6: Final answer
    x = 3,116.45

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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.