Home / 7,664.80-10,577.28-4,831.60

Finding the Fourth Proportional to 7,664.80, 10,577.28 and 4,831.60

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Solution

The fourth proportional to 7,664.80, 10,577.28 and 4,831.60 is: 6,667.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,664.80 : 10,577.28 = 4,831.60 : x
  2. Step 2: Convert to fraction form
    7,664.80/10,577.28 = 4,831.60/x
  3. Step 3: Cross multiply
    7,664.80x = 10,577.28 × 4,831.60
  4. Step 4: Simplify right side
    7,664.80x = 51,105,186.05
  5. Step 5: Solve for x
    x = 51,105,186.05/7,664.80
  6. Step 6: Final answer
    x = 6,667.52

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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.