Home / 7,913.95-11,871.61-2,070.56

Finding the Fourth Proportional to 7,913.95, 11,871.61 and 2,070.56

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Solution

The fourth proportional to 7,913.95, 11,871.61 and 2,070.56 is: 3,106.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,913.95 : 11,871.61 = 2,070.56 : x
  2. Step 2: Convert to fraction form
    7,913.95/11,871.61 = 2,070.56/x
  3. Step 3: Cross multiply
    7,913.95x = 11,871.61 × 2,070.56
  4. Step 4: Simplify right side
    7,913.95x = 24,580,916.95
  5. Step 5: Solve for x
    x = 24,580,916.95/7,913.95
  6. Step 6: Final answer
    x = 3,106.02

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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.