Home / 4,729.52-7,088.45-4,145.65

Finding the Fourth Proportional to 4,729.52, 7,088.45 and 4,145.65

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Solution

The fourth proportional to 4,729.52, 7,088.45 and 4,145.65 is: 6,213.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,729.52 : 7,088.45 = 4,145.65 : x
  2. Step 2: Convert to fraction form
    4,729.52/7,088.45 = 4,145.65/x
  3. Step 3: Cross multiply
    4,729.52x = 7,088.45 × 4,145.65
  4. Step 4: Simplify right side
    4,729.52x = 29,386,194.29
  5. Step 5: Solve for x
    x = 29,386,194.29/4,729.52
  6. Step 6: Final answer
    x = 6,213.35

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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.