Home / 8,899.87-13,374.05-4,742.84

Finding the Fourth Proportional to 8,899.87, 13,374.05 and 4,742.84

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Solution

The fourth proportional to 8,899.87, 13,374.05 and 4,742.84 is: 7,127.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,899.87 : 13,374.05 = 4,742.84 : x
  2. Step 2: Convert to fraction form
    8,899.87/13,374.05 = 4,742.84/x
  3. Step 3: Cross multiply
    8,899.87x = 13,374.05 × 4,742.84
  4. Step 4: Simplify right side
    8,899.87x = 63,430,989.02
  5. Step 5: Solve for x
    x = 63,430,989.02/8,899.87
  6. Step 6: Final answer
    x = 7,127.18

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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.