Home / 10,078.02-15,110.75-4,812.82

Finding the Fourth Proportional to 10,078.02, 15,110.75 and 4,812.82

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Solution

The fourth proportional to 10,078.02, 15,110.75 and 4,812.82 is: 7,216.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,078.02 : 15,110.75 = 4,812.82 : x
  2. Step 2: Convert to fraction form
    10,078.02/15,110.75 = 4,812.82/x
  3. Step 3: Cross multiply
    10,078.02x = 15,110.75 × 4,812.82
  4. Step 4: Simplify right side
    10,078.02x = 72,725,294.07
  5. Step 5: Solve for x
    x = 72,725,294.07/10,078.02
  6. Step 6: Final answer
    x = 7,216.23

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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.