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Finding the Fourth Proportional to 5,870.71, 8,806.08 and 1,977.85

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Solution

The fourth proportional to 5,870.71, 8,806.08 and 1,977.85 is: 2,966.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,870.71 : 8,806.08 = 1,977.85 : x
  2. Step 2: Convert to fraction form
    5,870.71/8,806.08 = 1,977.85/x
  3. Step 3: Cross multiply
    5,870.71x = 8,806.08 × 1,977.85
  4. Step 4: Simplify right side
    5,870.71x = 17,417,105.33
  5. Step 5: Solve for x
    x = 17,417,105.33/5,870.71
  6. Step 6: Final answer
    x = 2,966.78

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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.