Home / 7,311.10-10,088.74-4,479.34

Finding the Fourth Proportional to 7,311.10, 10,088.74 and 4,479.34

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Solution

The fourth proportional to 7,311.10, 10,088.74 and 4,479.34 is: 6,181.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,311.10 : 10,088.74 = 4,479.34 : x
  2. Step 2: Convert to fraction form
    7,311.10/10,088.74 = 4,479.34/x
  3. Step 3: Cross multiply
    7,311.10x = 10,088.74 × 4,479.34
  4. Step 4: Simplify right side
    7,311.10x = 45,190,896.63
  5. Step 5: Solve for x
    x = 45,190,896.63/7,311.10
  6. Step 6: Final answer
    x = 6,181.14

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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.