Home / 6,140.34-9,205.65-2,680.02

Finding the Fourth Proportional to 6,140.34, 9,205.65 and 2,680.02

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Solution

The fourth proportional to 6,140.34, 9,205.65 and 2,680.02 is: 4,017.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,140.34 : 9,205.65 = 2,680.02 : x
  2. Step 2: Convert to fraction form
    6,140.34/9,205.65 = 2,680.02/x
  3. Step 3: Cross multiply
    6,140.34x = 9,205.65 × 2,680.02
  4. Step 4: Simplify right side
    6,140.34x = 24,671,326.11
  5. Step 5: Solve for x
    x = 24,671,326.11/6,140.34
  6. Step 6: Final answer
    x = 4,017.91

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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.