Home / 5,347.21-7,379.20-2,957.06

Finding the Fourth Proportional to 5,347.21, 7,379.20 and 2,957.06

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Solution

The fourth proportional to 5,347.21, 7,379.20 and 2,957.06 is: 4,080.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,347.21 : 7,379.20 = 2,957.06 : x
  2. Step 2: Convert to fraction form
    5,347.21/7,379.20 = 2,957.06/x
  3. Step 3: Cross multiply
    5,347.21x = 7,379.20 × 2,957.06
  4. Step 4: Simplify right side
    5,347.21x = 21,820,701.15
  5. Step 5: Solve for x
    x = 21,820,701.15/5,347.21
  6. Step 6: Final answer
    x = 4,080.76

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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.