Home / 5,347.09-7,378.77-2,956.91

Finding the Fourth Proportional to 5,347.09, 7,378.77 and 2,956.91

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Solution

The fourth proportional to 5,347.09, 7,378.77 and 2,956.91 is: 4,080.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,347.09 : 7,378.77 = 2,956.91 : x
  2. Step 2: Convert to fraction form
    5,347.09/7,378.77 = 2,956.91/x
  3. Step 3: Cross multiply
    5,347.09x = 7,378.77 × 2,956.91
  4. Step 4: Simplify right side
    5,347.09x = 21,818,358.83
  5. Step 5: Solve for x
    x = 21,818,358.83/5,347.09
  6. Step 6: Final answer
    x = 4,080.42

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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.