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Finding the Fourth Proportional to 5,754.60, 7,936.44 and 4,862.68

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Solution

The fourth proportional to 5,754.60, 7,936.44 and 4,862.68 is: 6,706.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,754.60 : 7,936.44 = 4,862.68 : x
  2. Step 2: Convert to fraction form
    5,754.60/7,936.44 = 4,862.68/x
  3. Step 3: Cross multiply
    5,754.60x = 7,936.44 × 4,862.68
  4. Step 4: Simplify right side
    5,754.60x = 38,592,368.06
  5. Step 5: Solve for x
    x = 38,592,368.06/5,754.60
  6. Step 6: Final answer
    x = 6,706.35

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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.