Home / 5,530.59-7,639.95-3,851.16

Finding the Fourth Proportional to 5,530.59, 7,639.95 and 3,851.16

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Solution

The fourth proportional to 5,530.59, 7,639.95 and 3,851.16 is: 5,319.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,530.59 : 7,639.95 = 3,851.16 : x
  2. Step 2: Convert to fraction form
    5,530.59/7,639.95 = 3,851.16/x
  3. Step 3: Cross multiply
    5,530.59x = 7,639.95 × 3,851.16
  4. Step 4: Simplify right side
    5,530.59x = 29,422,655.63
  5. Step 5: Solve for x
    x = 29,422,655.63/5,530.59
  6. Step 6: Final answer
    x = 5,319.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.