Home / 7,276.02-10,040.46-4,089.75

Finding the Fourth Proportional to 7,276.02, 10,040.46 and 4,089.75

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Solution

The fourth proportional to 7,276.02, 10,040.46 and 4,089.75 is: 5,643.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,276.02 : 10,040.46 = 4,089.75 : x
  2. Step 2: Convert to fraction form
    7,276.02/10,040.46 = 4,089.75/x
  3. Step 3: Cross multiply
    7,276.02x = 10,040.46 × 4,089.75
  4. Step 4: Simplify right side
    7,276.02x = 41,062,971.29
  5. Step 5: Solve for x
    x = 41,062,971.29/7,276.02
  6. Step 6: Final answer
    x = 5,643.60

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1.5x scale

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.