Home / 5,675.42-8,510.43-1,977.20

Finding the Fourth Proportional to 5,675.42, 8,510.43 and 1,977.20

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Solution

The fourth proportional to 5,675.42, 8,510.43 and 1,977.20 is: 2,964.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,675.42 : 8,510.43 = 1,977.20 : x
  2. Step 2: Convert to fraction form
    5,675.42/8,510.43 = 1,977.20/x
  3. Step 3: Cross multiply
    5,675.42x = 8,510.43 × 1,977.20
  4. Step 4: Simplify right side
    5,675.42x = 16,826,818.97
  5. Step 5: Solve for x
    x = 16,826,818.97/5,675.42
  6. Step 6: Final answer
    x = 2,964.86

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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.