Home / 3,225.13-4,837.60-916.63

Finding the Fourth Proportional to 3,225.13, 4,837.60 and 916.63

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Solution

The fourth proportional to 3,225.13, 4,837.60 and 916.63 is: 1,374.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,225.13 : 4,837.60 = 916.63 : x
  2. Step 2: Convert to fraction form
    3,225.13/4,837.60 = 916.63/x
  3. Step 3: Cross multiply
    3,225.13x = 4,837.60 × 916.63
  4. Step 4: Simplify right side
    3,225.13x = 4,434,299.09
  5. Step 5: Solve for x
    x = 4,434,299.09/3,225.13
  6. Step 6: Final answer
    x = 1,374.92

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1.5x scale

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.