Home / 5,407.29-7,465.64-3,393.70

Finding the Fourth Proportional to 5,407.29, 7,465.64 and 3,393.70

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Solution

The fourth proportional to 5,407.29, 7,465.64 and 3,393.70 is: 4,685.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,407.29 : 7,465.64 = 3,393.70 : x
  2. Step 2: Convert to fraction form
    5,407.29/7,465.64 = 3,393.70/x
  3. Step 3: Cross multiply
    5,407.29x = 7,465.64 × 3,393.70
  4. Step 4: Simplify right side
    5,407.29x = 25,336,106.84
  5. Step 5: Solve for x
    x = 25,336,106.84/5,407.29
  6. Step 6: Final answer
    x = 4,685.55

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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.