Home / 5,559.20-8,338.59-1,663.50

Finding the Fourth Proportional to 5,559.20, 8,338.59 and 1,663.50

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Solution

The fourth proportional to 5,559.20, 8,338.59 and 1,663.50 is: 2,495.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,559.20 : 8,338.59 = 1,663.50 : x
  2. Step 2: Convert to fraction form
    5,559.20/8,338.59 = 1,663.50/x
  3. Step 3: Cross multiply
    5,559.20x = 8,338.59 × 1,663.50
  4. Step 4: Simplify right side
    5,559.20x = 13,871,244.47
  5. Step 5: Solve for x
    x = 13,871,244.47/5,559.20
  6. Step 6: Final answer
    x = 2,495.19

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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.