Home / 9,090.47-13,610.31-4,915.52

Finding the Fourth Proportional to 9,090.47, 13,610.31 and 4,915.52

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Solution

The fourth proportional to 9,090.47, 13,610.31 and 4,915.52 is: 7,359.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,090.47 : 13,610.31 = 4,915.52 : x
  2. Step 2: Convert to fraction form
    9,090.47/13,610.31 = 4,915.52/x
  3. Step 3: Cross multiply
    9,090.47x = 13,610.31 × 4,915.52
  4. Step 4: Simplify right side
    9,090.47x = 66,901,751.01
  5. Step 5: Solve for x
    x = 66,901,751.01/9,090.47
  6. Step 6: Final answer
    x = 7,359.55

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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.