Home / 6,984.02-10,478.82-2,605.16

Finding the Fourth Proportional to 6,984.02, 10,478.82 and 2,605.16

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Solution

The fourth proportional to 6,984.02, 10,478.82 and 2,605.16 is: 3,908.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,984.02 : 10,478.82 = 2,605.16 : x
  2. Step 2: Convert to fraction form
    6,984.02/10,478.82 = 2,605.16/x
  3. Step 3: Cross multiply
    6,984.02x = 10,478.82 × 2,605.16
  4. Step 4: Simplify right side
    6,984.02x = 27,299,002.71
  5. Step 5: Solve for x
    x = 27,299,002.71/6,984.02
  6. Step 6: Final answer
    x = 3,908.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.