Home / 10,461.51-15,688.92-3,439.90

Finding the Fourth Proportional to 10,461.51, 15,688.92 and 3,439.90

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Solution

The fourth proportional to 10,461.51, 15,688.92 and 3,439.90 is: 5,158.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,461.51 : 15,688.92 = 3,439.90 : x
  2. Step 2: Convert to fraction form
    10,461.51/15,688.92 = 3,439.90/x
  3. Step 3: Cross multiply
    10,461.51x = 15,688.92 × 3,439.90
  4. Step 4: Simplify right side
    10,461.51x = 53,968,315.91
  5. Step 5: Solve for x
    x = 53,968,315.91/10,461.51
  6. Step 6: Final answer
    x = 5,158.75

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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.