Home / 7,040.28-10,560.95-6,685.56

Finding the Fourth Proportional to 7,040.28, 10,560.95 and 6,685.56

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Solution

The fourth proportional to 7,040.28, 10,560.95 and 6,685.56 is: 10,028.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,040.28 : 10,560.95 = 6,685.56 : x
  2. Step 2: Convert to fraction form
    7,040.28/10,560.95 = 6,685.56/x
  3. Step 3: Cross multiply
    7,040.28x = 10,560.95 × 6,685.56
  4. Step 4: Simplify right side
    7,040.28x = 70,605,831.45
  5. Step 5: Solve for x
    x = 70,605,831.45/7,040.28
  6. Step 6: Final answer
    x = 10,028.84

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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.