Home / 5,390.91-7,439.05-3,032.59

Finding the Fourth Proportional to 5,390.91, 7,439.05 and 3,032.59

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Solution

The fourth proportional to 5,390.91, 7,439.05 and 3,032.59 is: 4,184.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390.91 : 7,439.05 = 3,032.59 : x
  2. Step 2: Convert to fraction form
    5,390.91/7,439.05 = 3,032.59/x
  3. Step 3: Cross multiply
    5,390.91x = 7,439.05 × 3,032.59
  4. Step 4: Simplify right side
    5,390.91x = 22,559,588.64
  5. Step 5: Solve for x
    x = 22,559,588.64/5,390.91
  6. Step 6: Final answer
    x = 4,184.75

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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.