Home / 8,347.89-11,517.48-4,810.62

Finding the Fourth Proportional to 8,347.89, 11,517.48 and 4,810.62

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Solution

The fourth proportional to 8,347.89, 11,517.48 and 4,810.62 is: 6,637.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,347.89 : 11,517.48 = 4,810.62 : x
  2. Step 2: Convert to fraction form
    8,347.89/11,517.48 = 4,810.62/x
  3. Step 3: Cross multiply
    8,347.89x = 11,517.48 × 4,810.62
  4. Step 4: Simplify right side
    8,347.89x = 55,406,219.64
  5. Step 5: Solve for x
    x = 55,406,219.64/8,347.89
  6. Step 6: Final answer
    x = 6,637.15

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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.