Home / 5,290.40-7,301.54-3,051.84

Finding the Fourth Proportional to 5,290.40, 7,301.54 and 3,051.84

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Solution

The fourth proportional to 5,290.40, 7,301.54 and 3,051.84 is: 4,211.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,290.40 : 7,301.54 = 3,051.84 : x
  2. Step 2: Convert to fraction form
    5,290.40/7,301.54 = 3,051.84/x
  3. Step 3: Cross multiply
    5,290.40x = 7,301.54 × 3,051.84
  4. Step 4: Simplify right side
    5,290.40x = 22,283,131.83
  5. Step 5: Solve for x
    x = 22,283,131.83/5,290.40
  6. Step 6: Final answer
    x = 4,211.99

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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.