Home / 8,521.86-11,760.43-4,641.53

Finding the Fourth Proportional to 8,521.86, 11,760.43 and 4,641.53

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Solution

The fourth proportional to 8,521.86, 11,760.43 and 4,641.53 is: 6,405.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,521.86 : 11,760.43 = 4,641.53 : x
  2. Step 2: Convert to fraction form
    8,521.86/11,760.43 = 4,641.53/x
  3. Step 3: Cross multiply
    8,521.86x = 11,760.43 × 4,641.53
  4. Step 4: Simplify right side
    8,521.86x = 54,586,388.66
  5. Step 5: Solve for x
    x = 54,586,388.66/8,521.86
  6. Step 6: Final answer
    x = 6,405.45

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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.