Home / 5,423.07-7,483.84-2,939.07

Finding the Fourth Proportional to 5,423.07, 7,483.84 and 2,939.07

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Solution

The fourth proportional to 5,423.07, 7,483.84 and 2,939.07 is: 4,055.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,423.07 : 7,483.84 = 2,939.07 : x
  2. Step 2: Convert to fraction form
    5,423.07/7,483.84 = 2,939.07/x
  3. Step 3: Cross multiply
    5,423.07x = 7,483.84 × 2,939.07
  4. Step 4: Simplify right side
    5,423.07x = 21,995,492.21
  5. Step 5: Solve for x
    x = 21,995,492.21/5,423.07
  6. Step 6: Final answer
    x = 4,055.92

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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.