Home / 7,277.07-10,034.40-4,915.11

Finding the Fourth Proportional to 7,277.07, 10,034.40 and 4,915.11

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Solution

The fourth proportional to 7,277.07, 10,034.40 and 4,915.11 is: 6,777.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,277.07 : 10,034.40 = 4,915.11 : x
  2. Step 2: Convert to fraction form
    7,277.07/10,034.40 = 4,915.11/x
  3. Step 3: Cross multiply
    7,277.07x = 10,034.40 × 4,915.11
  4. Step 4: Simplify right side
    7,277.07x = 49,320,129.61
  5. Step 5: Solve for x
    x = 49,320,129.61/7,277.07
  6. Step 6: Final answer
    x = 6,777.48

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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.