Home / 8,045.41-11,102.21-4,688.77

Finding the Fourth Proportional to 8,045.41, 11,102.21 and 4,688.77

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Solution

The fourth proportional to 8,045.41, 11,102.21 and 4,688.77 is: 6,470.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,045.41 : 11,102.21 = 4,688.77 : x
  2. Step 2: Convert to fraction form
    8,045.41/11,102.21 = 4,688.77/x
  3. Step 3: Cross multiply
    8,045.41x = 11,102.21 × 4,688.77
  4. Step 4: Simplify right side
    8,045.41x = 52,055,709.18
  5. Step 5: Solve for x
    x = 52,055,709.18/8,045.41
  6. Step 6: Final answer
    x = 6,470.24

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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.