Home / 8,539.47-11,784.53-4,762.89

Finding the Fourth Proportional to 8,539.47, 11,784.53 and 4,762.89

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Solution

The fourth proportional to 8,539.47, 11,784.53 and 4,762.89 is: 6,572.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,539.47 : 11,784.53 = 4,762.89 : x
  2. Step 2: Convert to fraction form
    8,539.47/11,784.53 = 4,762.89/x
  3. Step 3: Cross multiply
    8,539.47x = 11,784.53 × 4,762.89
  4. Step 4: Simplify right side
    8,539.47x = 56,128,396.28
  5. Step 5: Solve for x
    x = 56,128,396.28/8,539.47
  6. Step 6: Final answer
    x = 6,572.82

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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.