Home / 6,618.31-9,930.40-2,457.34

Finding the Fourth Proportional to 6,618.31, 9,930.40 and 2,457.34

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Solution

The fourth proportional to 6,618.31, 9,930.40 and 2,457.34 is: 3,687.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,618.31 : 9,930.40 = 2,457.34 : x
  2. Step 2: Convert to fraction form
    6,618.31/9,930.40 = 2,457.34/x
  3. Step 3: Cross multiply
    6,618.31x = 9,930.40 × 2,457.34
  4. Step 4: Simplify right side
    6,618.31x = 24,402,338.17
  5. Step 5: Solve for x
    x = 24,402,338.17/6,618.31
  6. Step 6: Final answer
    x = 3,687.10

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1.5x scale

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.