Home / 9,291.45-13,937.12-2,271.51

Finding the Fourth Proportional to 9,291.45, 13,937.12 and 2,271.51

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Solution

The fourth proportional to 9,291.45, 13,937.12 and 2,271.51 is: 3,407.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,291.45 : 13,937.12 = 2,271.51 : x
  2. Step 2: Convert to fraction form
    9,291.45/13,937.12 = 2,271.51/x
  3. Step 3: Cross multiply
    9,291.45x = 13,937.12 × 2,271.51
  4. Step 4: Simplify right side
    9,291.45x = 31,658,307.45
  5. Step 5: Solve for x
    x = 31,658,307.45/9,291.45
  6. Step 6: Final answer
    x = 3,407.25

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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.