Home / 5,567.77-8,351.85-1,870.12

Finding the Fourth Proportional to 5,567.77, 8,351.85 and 1,870.12

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Solution

The fourth proportional to 5,567.77, 8,351.85 and 1,870.12 is: 2,805.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,567.77 : 8,351.85 = 1,870.12 : x
  2. Step 2: Convert to fraction form
    5,567.77/8,351.85 = 1,870.12/x
  3. Step 3: Cross multiply
    5,567.77x = 8,351.85 × 1,870.12
  4. Step 4: Simplify right side
    5,567.77x = 15,618,919.96
  5. Step 5: Solve for x
    x = 15,618,919.96/5,567.77
  6. Step 6: Final answer
    x = 2,805.24

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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.