Home / 4,926.51-7,389.77-1,639.60

Finding the Fourth Proportional to 4,926.51, 7,389.77 and 1,639.60

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Solution

The fourth proportional to 4,926.51, 7,389.77 and 1,639.60 is: 2,459.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,926.51 : 7,389.77 = 1,639.60 : x
  2. Step 2: Convert to fraction form
    4,926.51/7,389.77 = 1,639.60/x
  3. Step 3: Cross multiply
    4,926.51x = 7,389.77 × 1,639.60
  4. Step 4: Simplify right side
    4,926.51x = 12,116,266.89
  5. Step 5: Solve for x
    x = 12,116,266.89/4,926.51
  6. Step 6: Final answer
    x = 2,459.40

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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.