Home / 5,071.13-7,607.40-1,561.43

Finding the Fourth Proportional to 5,071.13, 7,607.40 and 1,561.43

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Solution

The fourth proportional to 5,071.13, 7,607.40 and 1,561.43 is: 2,342.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,071.13 : 7,607.40 = 1,561.43 : x
  2. Step 2: Convert to fraction form
    5,071.13/7,607.40 = 1,561.43/x
  3. Step 3: Cross multiply
    5,071.13x = 7,607.40 × 1,561.43
  4. Step 4: Simplify right side
    5,071.13x = 11,878,384.55
  5. Step 5: Solve for x
    x = 11,878,384.55/5,071.13
  6. Step 6: Final answer
    x = 2,342.36

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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.