Home / 7,621.76-10,517.99-4,637.00

Finding the Fourth Proportional to 7,621.76, 10,517.99 and 4,637.00

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Solution

The fourth proportional to 7,621.76, 10,517.99 and 4,637.00 is: 6,399.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,621.76 : 10,517.99 = 4,637.00 : x
  2. Step 2: Convert to fraction form
    7,621.76/10,517.99 = 4,637.00/x
  3. Step 3: Cross multiply
    7,621.76x = 10,517.99 × 4,637.00
  4. Step 4: Simplify right side
    7,621.76x = 48,771,922.74
  5. Step 5: Solve for x
    x = 48,771,922.74/7,621.76
  6. Step 6: Final answer
    x = 6,399.03

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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.