Home / 4,955.72-7,430.32-2,031.08

Finding the Fourth Proportional to 4,955.72, 7,430.32 and 2,031.08

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Solution

The fourth proportional to 4,955.72, 7,430.32 and 2,031.08 is: 3,045.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,955.72 : 7,430.32 = 2,031.08 : x
  2. Step 2: Convert to fraction form
    4,955.72/7,430.32 = 2,031.08/x
  3. Step 3: Cross multiply
    4,955.72x = 7,430.32 × 2,031.08
  4. Step 4: Simplify right side
    4,955.72x = 15,091,574.35
  5. Step 5: Solve for x
    x = 15,091,574.35/4,955.72
  6. Step 6: Final answer
    x = 3,045.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.