Home / 5,981.60-8,991.84-5,368.16

Finding the Fourth Proportional to 5,981.60, 8,991.84 and 5,368.16

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Solution

The fourth proportional to 5,981.60, 8,991.84 and 5,368.16 is: 8,069.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,981.60 : 8,991.84 = 5,368.16 : x
  2. Step 2: Convert to fraction form
    5,981.60/8,991.84 = 5,368.16/x
  3. Step 3: Cross multiply
    5,981.60x = 8,991.84 × 5,368.16
  4. Step 4: Simplify right side
    5,981.60x = 48,269,635.81
  5. Step 5: Solve for x
    x = 48,269,635.81/5,981.60
  6. Step 6: Final answer
    x = 8,069.69

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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.