Home / 5,583.40-8,374.86-1,885.55

Finding the Fourth Proportional to 5,583.40, 8,374.86 and 1,885.55

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Solution

The fourth proportional to 5,583.40, 8,374.86 and 1,885.55 is: 2,828.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,583.40 : 8,374.86 = 1,885.55 : x
  2. Step 2: Convert to fraction form
    5,583.40/8,374.86 = 1,885.55/x
  3. Step 3: Cross multiply
    5,583.40x = 8,374.86 × 1,885.55
  4. Step 4: Simplify right side
    5,583.40x = 15,791,175.40
  5. Step 5: Solve for x
    x = 15,791,175.40/5,583.40
  6. Step 6: Final answer
    x = 2,828.24

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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.