Home / 7,670.60-11,507.58-4,553.45

Finding the Fourth Proportional to 7,670.60, 11,507.58 and 4,553.45

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Solution

The fourth proportional to 7,670.60, 11,507.58 and 4,553.45 is: 6,831.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,670.60 : 11,507.58 = 4,553.45 : x
  2. Step 2: Convert to fraction form
    7,670.60/11,507.58 = 4,553.45/x
  3. Step 3: Cross multiply
    7,670.60x = 11,507.58 × 4,553.45
  4. Step 4: Simplify right side
    7,670.60x = 52,399,132.61
  5. Step 5: Solve for x
    x = 52,399,132.61/7,670.60
  6. Step 6: Final answer
    x = 6,831.17

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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.