Home / 5,389.20-7,434.90-4,329.63

Finding the Fourth Proportional to 5,389.20, 7,434.90 and 4,329.63

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Solution

The fourth proportional to 5,389.20, 7,434.90 and 4,329.63 is: 5,973.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,389.20 : 7,434.90 = 4,329.63 : x
  2. Step 2: Convert to fraction form
    5,389.20/7,434.90 = 4,329.63/x
  3. Step 3: Cross multiply
    5,389.20x = 7,434.90 × 4,329.63
  4. Step 4: Simplify right side
    5,389.20x = 32,190,366.09
  5. Step 5: Solve for x
    x = 32,190,366.09/5,389.20
  6. Step 6: Final answer
    x = 5,973.13

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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.