Home / 7,742.21-10,680.76-4,756.95

Finding the Fourth Proportional to 7,742.21, 10,680.76 and 4,756.95

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Solution

The fourth proportional to 7,742.21, 10,680.76 and 4,756.95 is: 6,562.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,742.21 : 10,680.76 = 4,756.95 : x
  2. Step 2: Convert to fraction form
    7,742.21/10,680.76 = 4,756.95/x
  3. Step 3: Cross multiply
    7,742.21x = 10,680.76 × 4,756.95
  4. Step 4: Simplify right side
    7,742.21x = 50,807,877.27
  5. Step 5: Solve for x
    x = 50,807,877.27/7,742.21
  6. Step 6: Final answer
    x = 6,562.45

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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.