Home / 5,538.48-8,307.77-1,642.88

Finding the Fourth Proportional to 5,538.48, 8,307.77 and 1,642.88

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Solution

The fourth proportional to 5,538.48, 8,307.77 and 1,642.88 is: 2,464.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,538.48 : 8,307.77 = 1,642.88 : x
  2. Step 2: Convert to fraction form
    5,538.48/8,307.77 = 1,642.88/x
  3. Step 3: Cross multiply
    5,538.48x = 8,307.77 × 1,642.88
  4. Step 4: Simplify right side
    5,538.48x = 13,648,681.73
  5. Step 5: Solve for x
    x = 13,648,681.73/5,538.48
  6. Step 6: Final answer
    x = 2,464.34

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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.