Home / 7,310.13-10,088.72-4,479.35

Finding the Fourth Proportional to 7,310.13, 10,088.72 and 4,479.35

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Solution

The fourth proportional to 7,310.13, 10,088.72 and 4,479.35 is: 6,181.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,310.13 : 10,088.72 = 4,479.35 : x
  2. Step 2: Convert to fraction form
    7,310.13/10,088.72 = 4,479.35/x
  3. Step 3: Cross multiply
    7,310.13x = 10,088.72 × 4,479.35
  4. Step 4: Simplify right side
    7,310.13x = 45,190,835.09
  5. Step 5: Solve for x
    x = 45,190,835.09/7,310.13
  6. Step 6: Final answer
    x = 6,181.95

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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.