Home / 10,374.45-15,561.69-2,977.19

Finding the Fourth Proportional to 10,374.45, 15,561.69 and 2,977.19

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Solution

The fourth proportional to 10,374.45, 15,561.69 and 2,977.19 is: 4,465.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,374.45 : 15,561.69 = 2,977.19 : x
  2. Step 2: Convert to fraction form
    10,374.45/15,561.69 = 2,977.19/x
  3. Step 3: Cross multiply
    10,374.45x = 15,561.69 × 2,977.19
  4. Step 4: Simplify right side
    10,374.45x = 46,330,030.04
  5. Step 5: Solve for x
    x = 46,330,030.04/10,374.45
  6. Step 6: Final answer
    x = 4,465.78

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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.