Home / 7,623.79-10,519.55-4,480.58

Finding the Fourth Proportional to 7,623.79, 10,519.55 and 4,480.58

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Solution

The fourth proportional to 7,623.79, 10,519.55 and 4,480.58 is: 6,182.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,623.79 : 10,519.55 = 4,480.58 : x
  2. Step 2: Convert to fraction form
    7,623.79/10,519.55 = 4,480.58/x
  3. Step 3: Cross multiply
    7,623.79x = 10,519.55 × 4,480.58
  4. Step 4: Simplify right side
    7,623.79x = 47,133,685.34
  5. Step 5: Solve for x
    x = 47,133,685.34/7,623.79
  6. Step 6: Final answer
    x = 6,182.45

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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.