Home / 6,159.51-9,239.40-2,871.72

Finding the Fourth Proportional to 6,159.51, 9,239.40 and 2,871.72

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Solution

The fourth proportional to 6,159.51, 9,239.40 and 2,871.72 is: 4,307.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,159.51 : 9,239.40 = 2,871.72 : x
  2. Step 2: Convert to fraction form
    6,159.51/9,239.40 = 2,871.72/x
  3. Step 3: Cross multiply
    6,159.51x = 9,239.40 × 2,871.72
  4. Step 4: Simplify right side
    6,159.51x = 26,532,969.77
  5. Step 5: Solve for x
    x = 26,532,969.77/6,159.51
  6. Step 6: Final answer
    x = 4,307.64

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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.