Home / 7,179-9,904.59-4,527.06

Finding the Fourth Proportional to 7,179, 9,904.59 and 4,527.06

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Solution

The fourth proportional to 7,179, 9,904.59 and 4,527.06 is: 6,245.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,179 : 9,904.59 = 4,527.06 : x
  2. Step 2: Convert to fraction form
    7,179/9,904.59 = 4,527.06/x
  3. Step 3: Cross multiply
    7,179x = 9,904.59 × 4,527.06
  4. Step 4: Simplify right side
    7,179x = 44,838,673.21
  5. Step 5: Solve for x
    x = 44,838,673.21/7,179
  6. Step 6: Final answer
    x = 6,245.81

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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.