Home / 7,290.47-10,927.29-3,124.28

Finding the Fourth Proportional to 7,290.47, 10,927.29 and 3,124.28

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Solution

The fourth proportional to 7,290.47, 10,927.29 and 3,124.28 is: 4,682.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,290.47 : 10,927.29 = 3,124.28 : x
  2. Step 2: Convert to fraction form
    7,290.47/10,927.29 = 3,124.28/x
  3. Step 3: Cross multiply
    7,290.47x = 10,927.29 × 3,124.28
  4. Step 4: Simplify right side
    7,290.47x = 34,139,913.60
  5. Step 5: Solve for x
    x = 34,139,913.60/7,290.47
  6. Step 6: Final answer
    x = 4,682.81

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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.