Home / 5,851.79-8,776.37-1,690.87

Finding the Fourth Proportional to 5,851.79, 8,776.37 and 1,690.87

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Solution

The fourth proportional to 5,851.79, 8,776.37 and 1,690.87 is: 2,535.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,851.79 : 8,776.37 = 1,690.87 : x
  2. Step 2: Convert to fraction form
    5,851.79/8,776.37 = 1,690.87/x
  3. Step 3: Cross multiply
    5,851.79x = 8,776.37 × 1,690.87
  4. Step 4: Simplify right side
    5,851.79x = 14,839,700.74
  5. Step 5: Solve for x
    x = 14,839,700.74/5,851.79
  6. Step 6: Final answer
    x = 2,535.93

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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.