Home / 5,561.68-8,336.71-1,860.87

Finding the Fourth Proportional to 5,561.68, 8,336.71 and 1,860.87

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Solution

The fourth proportional to 5,561.68, 8,336.71 and 1,860.87 is: 2,789.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,561.68 : 8,336.71 = 1,860.87 : x
  2. Step 2: Convert to fraction form
    5,561.68/8,336.71 = 1,860.87/x
  3. Step 3: Cross multiply
    5,561.68x = 8,336.71 × 1,860.87
  4. Step 4: Simplify right side
    5,561.68x = 15,513,482.55
  5. Step 5: Solve for x
    x = 15,513,482.55/5,561.68
  6. Step 6: Final answer
    x = 2,789.35

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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.