Home / 4,926.51-7,389.71-1,416.60

Finding the Fourth Proportional to 4,926.51, 7,389.71 and 1,416.60

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Solution

The fourth proportional to 4,926.51, 7,389.71 and 1,416.60 is: 2,124.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,926.51 : 7,389.71 = 1,416.60 : x
  2. Step 2: Convert to fraction form
    4,926.51/7,389.71 = 1,416.60/x
  3. Step 3: Cross multiply
    4,926.51x = 7,389.71 × 1,416.60
  4. Step 4: Simplify right side
    4,926.51x = 10,468,263.19
  5. Step 5: Solve for x
    x = 10,468,263.19/4,926.51
  6. Step 6: Final answer
    x = 2,124.88

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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.