Home / 5,253.89-7,881.06-2,445.36

Finding the Fourth Proportional to 5,253.89, 7,881.06 and 2,445.36

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Solution

The fourth proportional to 5,253.89, 7,881.06 and 2,445.36 is: 3,668.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,253.89 : 7,881.06 = 2,445.36 : x
  2. Step 2: Convert to fraction form
    5,253.89/7,881.06 = 2,445.36/x
  3. Step 3: Cross multiply
    5,253.89x = 7,881.06 × 2,445.36
  4. Step 4: Simplify right side
    5,253.89x = 19,271,977.25
  5. Step 5: Solve for x
    x = 19,271,977.25/5,253.89
  6. Step 6: Final answer
    x = 3,668.13

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1.5x scale

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.