Home / 7,312.30-10,968.45-4,201.90

Finding the Fourth Proportional to 7,312.30, 10,968.45 and 4,201.90

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Solution

The fourth proportional to 7,312.30, 10,968.45 and 4,201.90 is: 6,302.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,312.30 : 10,968.45 = 4,201.90 : x
  2. Step 2: Convert to fraction form
    7,312.30/10,968.45 = 4,201.90/x
  3. Step 3: Cross multiply
    7,312.30x = 10,968.45 × 4,201.90
  4. Step 4: Simplify right side
    7,312.30x = 46,088,330.06
  5. Step 5: Solve for x
    x = 46,088,330.06/7,312.30
  6. Step 6: Final answer
    x = 6,302.85

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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.