Home / 7,839.02-10,817.80-4,302.15

Finding the Fourth Proportional to 7,839.02, 10,817.80 and 4,302.15

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Solution

The fourth proportional to 7,839.02, 10,817.80 and 4,302.15 is: 5,936.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,839.02 : 10,817.80 = 4,302.15 : x
  2. Step 2: Convert to fraction form
    7,839.02/10,817.80 = 4,302.15/x
  3. Step 3: Cross multiply
    7,839.02x = 10,817.80 × 4,302.15
  4. Step 4: Simplify right side
    7,839.02x = 46,539,776.76
  5. Step 5: Solve for x
    x = 46,539,776.76/7,839.02
  6. Step 6: Final answer
    x = 5,936.94

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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.