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Finding the Fourth Proportional to 5,919.05, 8,880.02 and 1,970.30

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Solution

The fourth proportional to 5,919.05, 8,880.02 and 1,970.30 is: 2,955.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,919.05 : 8,880.02 = 1,970.30 : x
  2. Step 2: Convert to fraction form
    5,919.05/8,880.02 = 1,970.30/x
  3. Step 3: Cross multiply
    5,919.05x = 8,880.02 × 1,970.30
  4. Step 4: Simplify right side
    5,919.05x = 17,496,330.53
  5. Step 5: Solve for x
    x = 17,496,330.53/5,919.05
  6. Step 6: Final answer
    x = 2,955.93

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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.