Home / 6,579.40-9,860.46-3,123.40

Finding the Fourth Proportional to 6,579.40, 9,860.46 and 3,123.40

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Solution

The fourth proportional to 6,579.40, 9,860.46 and 3,123.40 is: 4,681.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,579.40 : 9,860.46 = 3,123.40 : x
  2. Step 2: Convert to fraction form
    6,579.40/9,860.46 = 3,123.40/x
  3. Step 3: Cross multiply
    6,579.40x = 9,860.46 × 3,123.40
  4. Step 4: Simplify right side
    6,579.40x = 30,798,160.76
  5. Step 5: Solve for x
    x = 30,798,160.76/6,579.40
  6. Step 6: Final answer
    x = 4,681.00

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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.