Home / 4,225.77-6,340.64-1,885.53

Finding the Fourth Proportional to 4,225.77, 6,340.64 and 1,885.53

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Solution

The fourth proportional to 4,225.77, 6,340.64 and 1,885.53 is: 2,829.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,225.77 : 6,340.64 = 1,885.53 : x
  2. Step 2: Convert to fraction form
    4,225.77/6,340.64 = 1,885.53/x
  3. Step 3: Cross multiply
    4,225.77x = 6,340.64 × 1,885.53
  4. Step 4: Simplify right side
    4,225.77x = 11,955,481.29
  5. Step 5: Solve for x
    x = 11,955,481.29/4,225.77
  6. Step 6: Final answer
    x = 2,829.18

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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.