Home / 5,423.08-7,483.80-2,939.08

Finding the Fourth Proportional to 5,423.08, 7,483.80 and 2,939.08

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Solution

The fourth proportional to 5,423.08, 7,483.80 and 2,939.08 is: 4,055.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,423.08 : 7,483.80 = 2,939.08 : x
  2. Step 2: Convert to fraction form
    5,423.08/7,483.80 = 2,939.08/x
  3. Step 3: Cross multiply
    5,423.08x = 7,483.80 × 2,939.08
  4. Step 4: Simplify right side
    5,423.08x = 21,995,486.90
  5. Step 5: Solve for x
    x = 21,995,486.90/5,423.08
  6. Step 6: Final answer
    x = 4,055.90

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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.