Home / 7,772.86-10,726.53-4,236.05

Finding the Fourth Proportional to 7,772.86, 10,726.53 and 4,236.05

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Solution

The fourth proportional to 7,772.86, 10,726.53 and 4,236.05 is: 5,845.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,772.86 : 10,726.53 = 4,236.05 : x
  2. Step 2: Convert to fraction form
    7,772.86/10,726.53 = 4,236.05/x
  3. Step 3: Cross multiply
    7,772.86x = 10,726.53 × 4,236.05
  4. Step 4: Simplify right side
    7,772.86x = 45,438,068.00
  5. Step 5: Solve for x
    x = 45,438,068.00/7,772.86
  6. Step 6: Final answer
    x = 5,845.73

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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.