Home / 7,653.20-11,485.56-5,182.16

Finding the Fourth Proportional to 7,653.20, 11,485.56 and 5,182.16

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Solution

The fourth proportional to 7,653.20, 11,485.56 and 5,182.16 is: 7,777.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,653.20 : 11,485.56 = 5,182.16 : x
  2. Step 2: Convert to fraction form
    7,653.20/11,485.56 = 5,182.16/x
  3. Step 3: Cross multiply
    7,653.20x = 11,485.56 × 5,182.16
  4. Step 4: Simplify right side
    7,653.20x = 59,520,009.61
  5. Step 5: Solve for x
    x = 59,520,009.61/7,653.20
  6. Step 6: Final answer
    x = 7,777.14

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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.