Home / 7,311.16-10,968.77-2,381.10

Finding the Fourth Proportional to 7,311.16, 10,968.77 and 2,381.10

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Solution

The fourth proportional to 7,311.16, 10,968.77 and 2,381.10 is: 3,572.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,311.16 : 10,968.77 = 2,381.10 : x
  2. Step 2: Convert to fraction form
    7,311.16/10,968.77 = 2,381.10/x
  3. Step 3: Cross multiply
    7,311.16x = 10,968.77 × 2,381.10
  4. Step 4: Simplify right side
    7,311.16x = 26,117,689.67
  5. Step 5: Solve for x
    x = 26,117,689.67/7,311.16
  6. Step 6: Final answer
    x = 3,572.30

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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.