Home / 8,629.48-11,905.28-4,851.76

Finding the Fourth Proportional to 8,629.48, 11,905.28 and 4,851.76

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Solution

The fourth proportional to 8,629.48, 11,905.28 and 4,851.76 is: 6,693.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,629.48 : 11,905.28 = 4,851.76 : x
  2. Step 2: Convert to fraction form
    8,629.48/11,905.28 = 4,851.76/x
  3. Step 3: Cross multiply
    8,629.48x = 11,905.28 × 4,851.76
  4. Step 4: Simplify right side
    8,629.48x = 57,761,561.29
  5. Step 5: Solve for x
    x = 57,761,561.29/8,629.48
  6. Step 6: Final answer
    x = 6,693.52

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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.