Home / 5,164.61-7,127.64-2,926.58

Finding the Fourth Proportional to 5,164.61, 7,127.64 and 2,926.58

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Solution

The fourth proportional to 5,164.61, 7,127.64 and 2,926.58 is: 4,038.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,164.61 : 7,127.64 = 2,926.58 : x
  2. Step 2: Convert to fraction form
    5,164.61/7,127.64 = 2,926.58/x
  3. Step 3: Cross multiply
    5,164.61x = 7,127.64 × 2,926.58
  4. Step 4: Simplify right side
    5,164.61x = 20,859,573.03
  5. Step 5: Solve for x
    x = 20,859,573.03/5,164.61
  6. Step 6: Final answer
    x = 4,038.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.