Home / 5,563.08-8,345.63-1,865.70

Finding the Fourth Proportional to 5,563.08, 8,345.63 and 1,865.70

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Solution

The fourth proportional to 5,563.08, 8,345.63 and 1,865.70 is: 2,798.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,563.08 : 8,345.63 = 1,865.70 : x
  2. Step 2: Convert to fraction form
    5,563.08/8,345.63 = 1,865.70/x
  3. Step 3: Cross multiply
    5,563.08x = 8,345.63 × 1,865.70
  4. Step 4: Simplify right side
    5,563.08x = 15,570,446.56
  5. Step 5: Solve for x
    x = 15,570,446.56/5,563.08
  6. Step 6: Final answer
    x = 2,798.89

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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.