Home / 4,631.06-6,390.14-2,953.91

Finding the Fourth Proportional to 4,631.06, 6,390.14 and 2,953.91

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Solution

The fourth proportional to 4,631.06, 6,390.14 and 2,953.91 is: 4,075.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,631.06 : 6,390.14 = 2,953.91 : x
  2. Step 2: Convert to fraction form
    4,631.06/6,390.14 = 2,953.91/x
  3. Step 3: Cross multiply
    4,631.06x = 6,390.14 × 2,953.91
  4. Step 4: Simplify right side
    4,631.06x = 18,875,851.73
  5. Step 5: Solve for x
    x = 18,875,851.73/4,631.06
  6. Step 6: Final answer
    x = 4,075.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.